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Finding the Fourth Proportional to 52,592.99, 78,918.18 and 30,449.61

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Solution

The fourth proportional to 52,592.99, 78,918.18 and 30,449.61 is: 45,691.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,592.99 : 78,918.18 = 30,449.61 : x
  2. Step 2: Convert to fraction form
    52,592.99/78,918.18 = 30,449.61/x
  3. Step 3: Cross multiply
    52,592.99x = 78,918.18 × 30,449.61
  4. Step 4: Simplify right side
    52,592.99x = 2,403,027,802.91
  5. Step 5: Solve for x
    x = 2,403,027,802.91/52,592.99
  6. Step 6: Final answer
    x = 45,691.03

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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.