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Finding the Fourth Proportional to 61,714.81, 92,543.01 and 28,425.03

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Solution

The fourth proportional to 61,714.81, 92,543.01 and 28,425.03 is: 42,624.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,714.81 : 92,543.01 = 28,425.03 : x
  2. Step 2: Convert to fraction form
    61,714.81/92,543.01 = 28,425.03/x
  3. Step 3: Cross multiply
    61,714.81x = 92,543.01 × 28,425.03
  4. Step 4: Simplify right side
    61,714.81x = 2,630,537,381.91
  5. Step 5: Solve for x
    x = 2,630,537,381.91/61,714.81
  6. Step 6: Final answer
    x = 42,624.09

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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.