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Finding the Fourth Proportional to 60,731.90, 83,810.33 and 33,508.92

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Solution

The fourth proportional to 60,731.90, 83,810.33 and 33,508.92 is: 46,242.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,731.90 : 83,810.33 = 33,508.92 : x
  2. Step 2: Convert to fraction form
    60,731.90/83,810.33 = 33,508.92/x
  3. Step 3: Cross multiply
    60,731.90x = 83,810.33 × 33,508.92
  4. Step 4: Simplify right side
    60,731.90x = 2,808,393,915.55
  5. Step 5: Solve for x
    x = 2,808,393,915.55/60,731.90
  6. Step 6: Final answer
    x = 46,242.48

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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.