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Finding the Fourth Proportional to 8,934.42, 12,301.42 and 7,587.19

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Solution

The fourth proportional to 8,934.42, 12,301.42 and 7,587.19 is: 10,446.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,934.42 : 12,301.42 = 7,587.19 : x
  2. Step 2: Convert to fraction form
    8,934.42/12,301.42 = 7,587.19/x
  3. Step 3: Cross multiply
    8,934.42x = 12,301.42 × 7,587.19
  4. Step 4: Simplify right side
    8,934.42x = 93,333,210.81
  5. Step 5: Solve for x
    x = 93,333,210.81/8,934.42
  6. Step 6: Final answer
    x = 10,446.48

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.