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Finding the Fourth Proportional to 71,802.95, 99,079.47 and 41,584.07

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Solution

The fourth proportional to 71,802.95, 99,079.47 and 41,584.07 is: 57,381.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,802.95 : 99,079.47 = 41,584.07 : x
  2. Step 2: Convert to fraction form
    71,802.95/99,079.47 = 41,584.07/x
  3. Step 3: Cross multiply
    71,802.95x = 99,079.47 × 41,584.07
  4. Step 4: Simplify right side
    71,802.95x = 4,120,127,408.12
  5. Step 5: Solve for x
    x = 4,120,127,408.12/71,802.95
  6. Step 6: Final answer
    x = 57,381.04

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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.