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Finding the Fourth Proportional to 59,897.20, 89,833.20 and 30,287.20

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Solution

The fourth proportional to 59,897.20, 89,833.20 and 30,287.20 is: 45,424.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,897.20 : 89,833.20 = 30,287.20 : x
  2. Step 2: Convert to fraction form
    59,897.20/89,833.20 = 30,287.20/x
  3. Step 3: Cross multiply
    59,897.20x = 89,833.20 × 30,287.20
  4. Step 4: Simplify right side
    59,897.20x = 2,720,796,095.04
  5. Step 5: Solve for x
    x = 2,720,796,095.04/59,897.20
  6. Step 6: Final answer
    x = 45,424.43

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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.