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Finding the Fourth Proportional to 5,368.76, 7,407.14 and 3,010.44

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Solution

The fourth proportional to 5,368.76, 7,407.14 and 3,010.44 is: 4,153.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,368.76 : 7,407.14 = 3,010.44 : x
  2. Step 2: Convert to fraction form
    5,368.76/7,407.14 = 3,010.44/x
  3. Step 3: Cross multiply
    5,368.76x = 7,407.14 × 3,010.44
  4. Step 4: Simplify right side
    5,368.76x = 22,298,735.49
  5. Step 5: Solve for x
    x = 22,298,735.49/5,368.76
  6. Step 6: Final answer
    x = 4,153.43

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Half scale
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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.