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Finding the Fourth Proportional to 63,104.64, 87,081.82 and 34,810.32

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Solution

The fourth proportional to 63,104.64, 87,081.82 and 34,810.32 is: 48,036.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,104.64 : 87,081.82 = 34,810.32 : x
  2. Step 2: Convert to fraction form
    63,104.64/87,081.82 = 34,810.32/x
  3. Step 3: Cross multiply
    63,104.64x = 87,081.82 × 34,810.32
  4. Step 4: Simplify right side
    63,104.64x = 3,031,346,020.38
  5. Step 5: Solve for x
    x = 3,031,346,020.38/63,104.64
  6. Step 6: Final answer
    x = 48,036.82

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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.