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Finding the Fourth Proportional to 61,631.56, 85,051.62 and 33,337.12

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Solution

The fourth proportional to 61,631.56, 85,051.62 and 33,337.12 is: 46,005.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,631.56 : 85,051.62 = 33,337.12 : x
  2. Step 2: Convert to fraction form
    61,631.56/85,051.62 = 33,337.12/x
  3. Step 3: Cross multiply
    61,631.56x = 85,051.62 × 33,337.12
  4. Step 4: Simplify right side
    61,631.56x = 2,835,376,062.13
  5. Step 5: Solve for x
    x = 2,835,376,062.13/61,631.56
  6. Step 6: Final answer
    x = 46,005.26

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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.