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Finding the Fourth Proportional to 61,482.56, 92,242.08 and 19,928.64

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Solution

The fourth proportional to 61,482.56, 92,242.08 and 19,928.64 is: 29,898.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,482.56 : 92,242.08 = 19,928.64 : x
  2. Step 2: Convert to fraction form
    61,482.56/92,242.08 = 19,928.64/x
  3. Step 3: Cross multiply
    61,482.56x = 92,242.08 × 19,928.64
  4. Step 4: Simplify right side
    61,482.56x = 1,838,259,205.17
  5. Step 5: Solve for x
    x = 1,838,259,205.17/61,482.56
  6. Step 6: Final answer
    x = 29,898.87

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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.