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Finding the Fourth Proportional to 65,041.28, 97,560.40 and 29,980.94

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Solution

The fourth proportional to 65,041.28, 97,560.40 and 29,980.94 is: 44,970.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,041.28 : 97,560.40 = 29,980.94 : x
  2. Step 2: Convert to fraction form
    65,041.28/97,560.40 = 29,980.94/x
  3. Step 3: Cross multiply
    65,041.28x = 97,560.40 × 29,980.94
  4. Step 4: Simplify right side
    65,041.28x = 2,924,951,992.24
  5. Step 5: Solve for x
    x = 2,924,951,992.24/65,041.28
  6. Step 6: Final answer
    x = 44,970.70

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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.