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Finding the Fourth Proportional to 44,658.72, 61,670.52 and 28,770.72

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Solution

The fourth proportional to 44,658.72, 61,670.52 and 28,770.72 is: 39,730.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,658.72 : 61,670.52 = 28,770.72 : x
  2. Step 2: Convert to fraction form
    44,658.72/61,670.52 = 28,770.72/x
  3. Step 3: Cross multiply
    44,658.72x = 61,670.52 × 28,770.72
  4. Step 4: Simplify right side
    44,658.72x = 1,774,305,263.17
  5. Step 5: Solve for x
    x = 1,774,305,263.17/44,658.72
  6. Step 6: Final answer
    x = 39,730.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.