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Finding the Fourth Proportional to 60,763.20, 83,913.22 and 39,554.76

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Solution

The fourth proportional to 60,763.20, 83,913.22 and 39,554.76 is: 54,624.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,763.20 : 83,913.22 = 39,554.76 : x
  2. Step 2: Convert to fraction form
    60,763.20/83,913.22 = 39,554.76/x
  3. Step 3: Cross multiply
    60,763.20x = 83,913.22 × 39,554.76
  4. Step 4: Simplify right side
    60,763.20x = 3,319,167,277.93
  5. Step 5: Solve for x
    x = 3,319,167,277.93/60,763.20
  6. Step 6: Final answer
    x = 54,624.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.