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Finding the Fourth Proportional to 61,655.32, 92,483.62 and 21,675.42

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Solution

The fourth proportional to 61,655.32, 92,483.62 and 21,675.42 is: 32,513.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,655.32 : 92,483.62 = 21,675.42 : x
  2. Step 2: Convert to fraction form
    61,655.32/92,483.62 = 21,675.42/x
  3. Step 3: Cross multiply
    61,655.32x = 92,483.62 × 21,675.42
  4. Step 4: Simplify right side
    61,655.32x = 2,004,621,306.62
  5. Step 5: Solve for x
    x = 2,004,621,306.62/61,655.32
  6. Step 6: Final answer
    x = 32,513.35

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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.