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Finding the Fourth Proportional to 62,289.50, 85,961.88 and 35,434.46

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Solution

The fourth proportional to 62,289.50, 85,961.88 and 35,434.46 is: 48,900.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,289.50 : 85,961.88 = 35,434.46 : x
  2. Step 2: Convert to fraction form
    62,289.50/85,961.88 = 35,434.46/x
  3. Step 3: Cross multiply
    62,289.50x = 85,961.88 × 35,434.46
  4. Step 4: Simplify right side
    62,289.50x = 3,046,012,798.38
  5. Step 5: Solve for x
    x = 3,046,012,798.38/62,289.50
  6. Step 6: Final answer
    x = 48,900.90

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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.