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Finding the Fourth Proportional to 60,655.76, 83,704.10 and 33,799.40

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Solution

The fourth proportional to 60,655.76, 83,704.10 and 33,799.40 is: 46,642.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,655.76 : 83,704.10 = 33,799.40 : x
  2. Step 2: Convert to fraction form
    60,655.76/83,704.10 = 33,799.40/x
  3. Step 3: Cross multiply
    60,655.76x = 83,704.10 × 33,799.40
  4. Step 4: Simplify right side
    60,655.76x = 2,829,147,770.02
  5. Step 5: Solve for x
    x = 2,829,147,770.02/60,655.76
  6. Step 6: Final answer
    x = 46,642.69

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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.