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Finding the Fourth Proportional to 59,574.59, 89,374.74 and 20,130.83

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Solution

The fourth proportional to 59,574.59, 89,374.74 and 20,130.83 is: 30,200.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,574.59 : 89,374.74 = 20,130.83 : x
  2. Step 2: Convert to fraction form
    59,574.59/89,374.74 = 20,130.83/x
  3. Step 3: Cross multiply
    59,574.59x = 89,374.74 × 20,130.83
  4. Step 4: Simplify right side
    59,574.59x = 1,799,187,149.71
  5. Step 5: Solve for x
    x = 1,799,187,149.71/59,574.59
  6. Step 6: Final answer
    x = 30,200.58

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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.