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Finding the Fourth Proportional to 67,902.99, 93,710.85 and 39,232.33

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Solution

The fourth proportional to 67,902.99, 93,710.85 and 39,232.33 is: 54,143.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,902.99 : 93,710.85 = 39,232.33 : x
  2. Step 2: Convert to fraction form
    67,902.99/93,710.85 = 39,232.33/x
  3. Step 3: Cross multiply
    67,902.99x = 93,710.85 × 39,232.33
  4. Step 4: Simplify right side
    67,902.99x = 3,676,495,247.85
  5. Step 5: Solve for x
    x = 3,676,495,247.85/67,902.99
  6. Step 6: Final answer
    x = 54,143.35

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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.