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Finding the Fourth Proportional to 62,616.96, 93,939.84 and 20,498.40

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Solution

The fourth proportional to 62,616.96, 93,939.84 and 20,498.40 is: 30,752.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,616.96 : 93,939.84 = 20,498.40 : x
  2. Step 2: Convert to fraction form
    62,616.96/93,939.84 = 20,498.40/x
  3. Step 3: Cross multiply
    62,616.96x = 93,939.84 × 20,498.40
  4. Step 4: Simplify right side
    62,616.96x = 1,925,616,416.26
  5. Step 5: Solve for x
    x = 1,925,616,416.26/62,616.96
  6. Step 6: Final answer
    x = 30,752.31

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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.