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Finding the Fourth Proportional to 64,720.89, 97,092.41 and 29,663.55

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Solution

The fourth proportional to 64,720.89, 97,092.41 and 29,663.55 is: 44,500.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,720.89 : 97,092.41 = 29,663.55 : x
  2. Step 2: Convert to fraction form
    64,720.89/97,092.41 = 29,663.55/x
  3. Step 3: Cross multiply
    64,720.89x = 97,092.41 × 29,663.55
  4. Step 4: Simplify right side
    64,720.89x = 2,880,105,410.34
  5. Step 5: Solve for x
    x = 2,880,105,410.34/64,720.89
  6. Step 6: Final answer
    x = 44,500.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.