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Finding the Fourth Proportional to 44,002.80, 65,812.20 and 39,356.40

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Solution

The fourth proportional to 44,002.80, 65,812.20 and 39,356.40 is: 58,862.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,002.80 : 65,812.20 = 39,356.40 : x
  2. Step 2: Convert to fraction form
    44,002.80/65,812.20 = 39,356.40/x
  3. Step 3: Cross multiply
    44,002.80x = 65,812.20 × 39,356.40
  4. Step 4: Simplify right side
    44,002.80x = 2,590,131,268.08
  5. Step 5: Solve for x
    x = 2,590,131,268.08/44,002.80
  6. Step 6: Final answer
    x = 58,862.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.