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Finding the Fourth Proportional to 35,306.76, 48,724.17 and 19,391.55

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Solution

The fourth proportional to 35,306.76, 48,724.17 and 19,391.55 is: 26,760.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,306.76 : 48,724.17 = 19,391.55 : x
  2. Step 2: Convert to fraction form
    35,306.76/48,724.17 = 19,391.55/x
  3. Step 3: Cross multiply
    35,306.76x = 48,724.17 × 19,391.55
  4. Step 4: Simplify right side
    35,306.76x = 944,837,178.76
  5. Step 5: Solve for x
    x = 944,837,178.76/35,306.76
  6. Step 6: Final answer
    x = 26,760.80

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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.