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Finding the Fourth Proportional to 34,685.59, 47,866.12 and 18,770.04

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Solution

The fourth proportional to 34,685.59, 47,866.12 and 18,770.04 is: 25,902.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,685.59 : 47,866.12 = 18,770.04 : x
  2. Step 2: Convert to fraction form
    34,685.59/47,866.12 = 18,770.04/x
  3. Step 3: Cross multiply
    34,685.59x = 47,866.12 × 18,770.04
  4. Step 4: Simplify right side
    34,685.59x = 898,448,947.38
  5. Step 5: Solve for x
    x = 898,448,947.38/34,685.59
  6. Step 6: Final answer
    x = 25,902.66

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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.