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Finding the Fourth Proportional to 71,329.75, 98,460.98 and 41,521.75

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Solution

The fourth proportional to 71,329.75, 98,460.98 and 41,521.75 is: 57,315.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,329.75 : 98,460.98 = 41,521.75 : x
  2. Step 2: Convert to fraction form
    71,329.75/98,460.98 = 41,521.75/x
  3. Step 3: Cross multiply
    71,329.75x = 98,460.98 × 41,521.75
  4. Step 4: Simplify right side
    71,329.75x = 4,088,272,196.32
  5. Step 5: Solve for x
    x = 4,088,272,196.32/71,329.75
  6. Step 6: Final answer
    x = 57,315.11

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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.