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Finding the Fourth Proportional to 15,926.61, 23,892.94 and 5,253.58

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Solution

The fourth proportional to 15,926.61, 23,892.94 and 5,253.58 is: 7,881.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,926.61 : 23,892.94 = 5,253.58 : x
  2. Step 2: Convert to fraction form
    15,926.61/23,892.94 = 5,253.58/x
  3. Step 3: Cross multiply
    15,926.61x = 23,892.94 × 5,253.58
  4. Step 4: Simplify right side
    15,926.61x = 125,523,478.61
  5. Step 5: Solve for x
    x = 125,523,478.61/15,926.61
  6. Step 6: Final answer
    x = 7,881.37

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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.