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Finding the Fourth Proportional to 61,508.62, 84,897.73 and 40,051.92

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Solution

The fourth proportional to 61,508.62, 84,897.73 and 40,051.92 is: 55,281.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,508.62 : 84,897.73 = 40,051.92 : x
  2. Step 2: Convert to fraction form
    61,508.62/84,897.73 = 40,051.92/x
  3. Step 3: Cross multiply
    61,508.62x = 84,897.73 × 40,051.92
  4. Step 4: Simplify right side
    61,508.62x = 3,400,317,090.14
  5. Step 5: Solve for x
    x = 3,400,317,090.14/61,508.62
  6. Step 6: Final answer
    x = 55,281.96

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1.5x scale

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.