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Finding the Fourth Proportional to 59,555, 89,332.50 and 15,779

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Solution

The fourth proportional to 59,555, 89,332.50 and 15,779 is: 23,668.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,555 : 89,332.50 = 15,779 : x
  2. Step 2: Convert to fraction form
    59,555/89,332.50 = 15,779/x
  3. Step 3: Cross multiply
    59,555x = 89,332.50 × 15,779
  4. Step 4: Simplify right side
    59,555x = 1,409,577,517.50
  5. Step 5: Solve for x
    x = 1,409,577,517.50/59,555
  6. Step 6: Final answer
    x = 23,668.50

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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.