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Finding the Fourth Proportional to 15,423.95, 23,141.12 and 7,097.70

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Solution

The fourth proportional to 15,423.95, 23,141.12 and 7,097.70 is: 10,648.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,423.95 : 23,141.12 = 7,097.70 : x
  2. Step 2: Convert to fraction form
    15,423.95/23,141.12 = 7,097.70/x
  3. Step 3: Cross multiply
    15,423.95x = 23,141.12 × 7,097.70
  4. Step 4: Simplify right side
    15,423.95x = 164,248,691.94
  5. Step 5: Solve for x
    x = 164,248,691.94/15,423.95
  6. Step 6: Final answer
    x = 10,648.94

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.