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Finding the Fourth Proportional to 8,875.89, 12,248.12 and 4,897.07

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Solution

The fourth proportional to 8,875.89, 12,248.12 and 4,897.07 is: 6,757.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,875.89 : 12,248.12 = 4,897.07 : x
  2. Step 2: Convert to fraction form
    8,875.89/12,248.12 = 4,897.07/x
  3. Step 3: Cross multiply
    8,875.89x = 12,248.12 × 4,897.07
  4. Step 4: Simplify right side
    8,875.89x = 59,979,901.01
  5. Step 5: Solve for x
    x = 59,979,901.01/8,875.89
  6. Step 6: Final answer
    x = 6,757.62

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.