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Finding the Fourth Proportional to 52,874.36, 79,243.08 and 40,348.16

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Solution

The fourth proportional to 52,874.36, 79,243.08 and 40,348.16 is: 60,470.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,874.36 : 79,243.08 = 40,348.16 : x
  2. Step 2: Convert to fraction form
    52,874.36/79,243.08 = 40,348.16/x
  3. Step 3: Cross multiply
    52,874.36x = 79,243.08 × 40,348.16
  4. Step 4: Simplify right side
    52,874.36x = 3,197,312,470.73
  5. Step 5: Solve for x
    x = 3,197,312,470.73/52,874.36
  6. Step 6: Final answer
    x = 60,470.00

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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.