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Finding the Fourth Proportional to 23,113.30, 34,649.70 and 15,693.70

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Solution

The fourth proportional to 23,113.30, 34,649.70 and 15,693.70 is: 23,526.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,113.30 : 34,649.70 = 15,693.70 : x
  2. Step 2: Convert to fraction form
    23,113.30/34,649.70 = 15,693.70/x
  3. Step 3: Cross multiply
    23,113.30x = 34,649.70 × 15,693.70
  4. Step 4: Simplify right side
    23,113.30x = 543,781,996.89
  5. Step 5: Solve for x
    x = 543,781,996.89/23,113.30
  6. Step 6: Final answer
    x = 23,526.80

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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.