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Finding the Fourth Proportional to 65,184.70, 97,895.85 and 38,940.70

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Solution

The fourth proportional to 65,184.70, 97,895.85 and 38,940.70 is: 58,482.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,184.70 : 97,895.85 = 38,940.70 : x
  2. Step 2: Convert to fraction form
    65,184.70/97,895.85 = 38,940.70/x
  3. Step 3: Cross multiply
    65,184.70x = 97,895.85 × 38,940.70
  4. Step 4: Simplify right side
    65,184.70x = 3,812,132,926.10
  5. Step 5: Solve for x
    x = 3,812,132,926.10/65,184.70
  6. Step 6: Final answer
    x = 58,482.02

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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.