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Finding the Fourth Proportional to 59,338.80, 89,009.10 and 19,357.61

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Solution

The fourth proportional to 59,338.80, 89,009.10 and 19,357.61 is: 29,036.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,338.80 : 89,009.10 = 19,357.61 : x
  2. Step 2: Convert to fraction form
    59,338.80/89,009.10 = 19,357.61/x
  3. Step 3: Cross multiply
    59,338.80x = 89,009.10 × 19,357.61
  4. Step 4: Simplify right side
    59,338.80x = 1,723,002,999.21
  5. Step 5: Solve for x
    x = 1,723,002,999.21/59,338.80
  6. Step 6: Final answer
    x = 29,036.70

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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.