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Finding the Fourth Proportional to 70,700.96, 97,566.84 and 38,869.04

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Solution

The fourth proportional to 70,700.96, 97,566.84 and 38,869.04 is: 53,639.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,700.96 : 97,566.84 = 38,869.04 : x
  2. Step 2: Convert to fraction form
    70,700.96/97,566.84 = 38,869.04/x
  3. Step 3: Cross multiply
    70,700.96x = 97,566.84 × 38,869.04
  4. Step 4: Simplify right side
    70,700.96x = 3,792,329,406.63
  5. Step 5: Solve for x
    x = 3,792,329,406.63/70,700.96
  6. Step 6: Final answer
    x = 53,639.01

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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.