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Finding the Fourth Proportional to 58,805.64, 81,150.80 and 31,948.56

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Solution

The fourth proportional to 58,805.64, 81,150.80 and 31,948.56 is: 44,088.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,805.64 : 81,150.80 = 31,948.56 : x
  2. Step 2: Convert to fraction form
    58,805.64/81,150.80 = 31,948.56/x
  3. Step 3: Cross multiply
    58,805.64x = 81,150.80 × 31,948.56
  4. Step 4: Simplify right side
    58,805.64x = 2,592,651,202.85
  5. Step 5: Solve for x
    x = 2,592,651,202.85/58,805.64
  6. Step 6: Final answer
    x = 44,088.48

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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.