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Finding the Fourth Proportional to 58,684.80, 88,035.84 and 38,000.64

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Solution

The fourth proportional to 58,684.80, 88,035.84 and 38,000.64 is: 57,006.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,684.80 : 88,035.84 = 38,000.64 : x
  2. Step 2: Convert to fraction form
    58,684.80/88,035.84 = 38,000.64/x
  3. Step 3: Cross multiply
    58,684.80x = 88,035.84 × 38,000.64
  4. Step 4: Simplify right side
    58,684.80x = 3,345,418,262.94
  5. Step 5: Solve for x
    x = 3,345,418,262.94/58,684.80
  6. Step 6: Final answer
    x = 57,006.55

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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.