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Finding the Fourth Proportional to 62,407.95, 93,626.78 and 20,288.22

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Solution

The fourth proportional to 62,407.95, 93,626.78 and 20,288.22 is: 30,437.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,407.95 : 93,626.78 = 20,288.22 : x
  2. Step 2: Convert to fraction form
    62,407.95/93,626.78 = 20,288.22/x
  3. Step 3: Cross multiply
    62,407.95x = 93,626.78 × 20,288.22
  4. Step 4: Simplify right side
    62,407.95x = 1,899,520,609.09
  5. Step 5: Solve for x
    x = 1,899,520,609.09/62,407.95
  6. Step 6: Final answer
    x = 30,437.16

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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.