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Finding the Fourth Proportional to 15,281.06, 22,905.48 and 8,693.02

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Solution

The fourth proportional to 15,281.06, 22,905.48 and 8,693.02 is: 13,030.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,281.06 : 22,905.48 = 8,693.02 : x
  2. Step 2: Convert to fraction form
    15,281.06/22,905.48 = 8,693.02/x
  3. Step 3: Cross multiply
    15,281.06x = 22,905.48 × 8,693.02
  4. Step 4: Simplify right side
    15,281.06x = 199,117,856.98
  5. Step 5: Solve for x
    x = 199,117,856.98/15,281.06
  6. Step 6: Final answer
    x = 13,030.37

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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.