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Finding the Fourth Proportional to 10,047.84, 15,070.44 and 2,652.87

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Solution

The fourth proportional to 10,047.84, 15,070.44 and 2,652.87 is: 3,978.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,047.84 : 15,070.44 = 2,652.87 : x
  2. Step 2: Convert to fraction form
    10,047.84/15,070.44 = 2,652.87/x
  3. Step 3: Cross multiply
    10,047.84x = 15,070.44 × 2,652.87
  4. Step 4: Simplify right side
    10,047.84x = 39,979,918.16
  5. Step 5: Solve for x
    x = 39,979,918.16/10,047.84
  6. Step 6: Final answer
    x = 3,978.96

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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.