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Finding the Fourth Proportional to 15,602.40, 23,452.20 and 15,310.80

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Solution

The fourth proportional to 15,602.40, 23,452.20 and 15,310.80 is: 23,013.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,602.40 : 23,452.20 = 15,310.80 : x
  2. Step 2: Convert to fraction form
    15,602.40/23,452.20 = 15,310.80/x
  3. Step 3: Cross multiply
    15,602.40x = 23,452.20 × 15,310.80
  4. Step 4: Simplify right side
    15,602.40x = 359,071,943.76
  5. Step 5: Solve for x
    x = 359,071,943.76/15,602.40
  6. Step 6: Final answer
    x = 23,013.89

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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.