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Finding the Fourth Proportional to 35,402.90, 48,856.02 and 19,487.24

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Solution

The fourth proportional to 35,402.90, 48,856.02 and 19,487.24 is: 26,892.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,402.90 : 48,856.02 = 19,487.24 : x
  2. Step 2: Convert to fraction form
    35,402.90/48,856.02 = 19,487.24/x
  3. Step 3: Cross multiply
    35,402.90x = 48,856.02 × 19,487.24
  4. Step 4: Simplify right side
    35,402.90x = 952,068,645.47
  5. Step 5: Solve for x
    x = 952,068,645.47/35,402.90
  6. Step 6: Final answer
    x = 26,892.39

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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.