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Finding the Fourth Proportional to 61,102.64, 91,652.28 and 19,549.04

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Solution

The fourth proportional to 61,102.64, 91,652.28 and 19,549.04 is: 29,323.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,102.64 : 91,652.28 = 19,549.04 : x
  2. Step 2: Convert to fraction form
    61,102.64/91,652.28 = 19,549.04/x
  3. Step 3: Cross multiply
    61,102.64x = 91,652.28 × 19,549.04
  4. Step 4: Simplify right side
    61,102.64x = 1,791,714,087.81
  5. Step 5: Solve for x
    x = 1,791,714,087.81/61,102.64
  6. Step 6: Final answer
    x = 29,323.02

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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.