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Finding the Fourth Proportional to 15,618.18, 23,429.10 and 15,618.18

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Solution

The fourth proportional to 15,618.18, 23,429.10 and 15,618.18 is: 23,429.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,618.18 : 23,429.10 = 15,618.18 : x
  2. Step 2: Convert to fraction form
    15,618.18/23,429.10 = 15,618.18/x
  3. Step 3: Cross multiply
    15,618.18x = 23,429.10 × 15,618.18
  4. Step 4: Simplify right side
    15,618.18x = 365,919,959.61
  5. Step 5: Solve for x
    x = 365,919,959.61/15,618.18
  6. Step 6: Final answer
    x = 23,429.10

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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.