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Finding the Fourth Proportional to 73,312.75, 109,969.13 and 26,565.63

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Solution

The fourth proportional to 73,312.75, 109,969.13 and 26,565.63 is: 39,848.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,312.75 : 109,969.13 = 26,565.63 : x
  2. Step 2: Convert to fraction form
    73,312.75/109,969.13 = 26,565.63/x
  3. Step 3: Cross multiply
    73,312.75x = 109,969.13 × 26,565.63
  4. Step 4: Simplify right side
    73,312.75x = 2,921,399,219.00
  5. Step 5: Solve for x
    x = 2,921,399,219.00/73,312.75
  6. Step 6: Final answer
    x = 39,848.45

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Double scale
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Similar ratio
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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.