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Finding the Fourth Proportional to 60,797.76, 83,886.10 and 35,642.40

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Solution

The fourth proportional to 60,797.76, 83,886.10 and 35,642.40 is: 49,177.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,797.76 : 83,886.10 = 35,642.40 : x
  2. Step 2: Convert to fraction form
    60,797.76/83,886.10 = 35,642.40/x
  3. Step 3: Cross multiply
    60,797.76x = 83,886.10 × 35,642.40
  4. Step 4: Simplify right side
    60,797.76x = 2,989,901,930.64
  5. Step 5: Solve for x
    x = 2,989,901,930.64/60,797.76
  6. Step 6: Final answer
    x = 49,177.83

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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.