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Finding the Fourth Proportional to 61,625.55, 92,438.11 and 14,878.42

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Solution

The fourth proportional to 61,625.55, 92,438.11 and 14,878.42 is: 22,317.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,625.55 : 92,438.11 = 14,878.42 : x
  2. Step 2: Convert to fraction form
    61,625.55/92,438.11 = 14,878.42/x
  3. Step 3: Cross multiply
    61,625.55x = 92,438.11 × 14,878.42
  4. Step 4: Simplify right side
    61,625.55x = 1,375,333,024.59
  5. Step 5: Solve for x
    x = 1,375,333,024.59/61,625.55
  6. Step 6: Final answer
    x = 22,317.58

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1.5x scale

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.