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Finding the Fourth Proportional to 27,282.79, 40,925.01 and 10,642.15

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Solution

The fourth proportional to 27,282.79, 40,925.01 and 10,642.15 is: 15,963.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,282.79 : 40,925.01 = 10,642.15 : x
  2. Step 2: Convert to fraction form
    27,282.79/40,925.01 = 10,642.15/x
  3. Step 3: Cross multiply
    27,282.79x = 40,925.01 × 10,642.15
  4. Step 4: Simplify right side
    27,282.79x = 435,530,095.17
  5. Step 5: Solve for x
    x = 435,530,095.17/27,282.79
  6. Step 6: Final answer
    x = 15,963.55

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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.