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Finding the Fourth Proportional to 5,569.48, 7,637.11 and 5,383.18

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Solution

The fourth proportional to 5,569.48, 7,637.11 and 5,383.18 is: 7,381.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,569.48 : 7,637.11 = 5,383.18 : x
  2. Step 2: Convert to fraction form
    5,569.48/7,637.11 = 5,383.18/x
  3. Step 3: Cross multiply
    5,569.48x = 7,637.11 × 5,383.18
  4. Step 4: Simplify right side
    5,569.48x = 41,111,937.81
  5. Step 5: Solve for x
    x = 41,111,937.81/5,569.48
  6. Step 6: Final answer
    x = 7,381.65

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Half scale
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Double scale
Find fourth proportional to 5,570.48, 7,638.48 and 5,384.18
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.