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Finding the Fourth Proportional to 59,653.80, 89,478.64 and 15,280.99

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Solution

The fourth proportional to 59,653.80, 89,478.64 and 15,280.99 is: 22,920.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,653.80 : 89,478.64 = 15,280.99 : x
  2. Step 2: Convert to fraction form
    59,653.80/89,478.64 = 15,280.99/x
  3. Step 3: Cross multiply
    59,653.80x = 89,478.64 × 15,280.99
  4. Step 4: Simplify right side
    59,653.80x = 1,367,321,998.46
  5. Step 5: Solve for x
    x = 1,367,321,998.46/59,653.80
  6. Step 6: Final answer
    x = 22,920.95

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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.