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Finding the Fourth Proportional to 76,592.70, 105,697.08 and 42,600.96

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Solution

The fourth proportional to 76,592.70, 105,697.08 and 42,600.96 is: 58,788.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,592.70 : 105,697.08 = 42,600.96 : x
  2. Step 2: Convert to fraction form
    76,592.70/105,697.08 = 42,600.96/x
  3. Step 3: Cross multiply
    76,592.70x = 105,697.08 × 42,600.96
  4. Step 4: Simplify right side
    76,592.70x = 4,502,797,077.20
  5. Step 5: Solve for x
    x = 4,502,797,077.20/76,592.70
  6. Step 6: Final answer
    x = 58,788.85

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1.5x scale

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.