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Finding the Fourth Proportional to 59,490.81, 89,248.50 and 20,050.98

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Solution

The fourth proportional to 59,490.81, 89,248.50 and 20,050.98 is: 30,080.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,490.81 : 89,248.50 = 20,050.98 : x
  2. Step 2: Convert to fraction form
    59,490.81/89,248.50 = 20,050.98/x
  3. Step 3: Cross multiply
    59,490.81x = 89,248.50 × 20,050.98
  4. Step 4: Simplify right side
    59,490.81x = 1,789,519,888.53
  5. Step 5: Solve for x
    x = 1,789,519,888.53/59,490.81
  6. Step 6: Final answer
    x = 30,080.61

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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.