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Finding the Fourth Proportional to 59,211.70, 81,709.71 and 32,355.13

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Solution

The fourth proportional to 59,211.70, 81,709.71 and 32,355.13 is: 44,648.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,211.70 : 81,709.71 = 32,355.13 : x
  2. Step 2: Convert to fraction form
    59,211.70/81,709.71 = 32,355.13/x
  3. Step 3: Cross multiply
    59,211.70x = 81,709.71 × 32,355.13
  4. Step 4: Simplify right side
    59,211.70x = 2,643,728,289.31
  5. Step 5: Solve for x
    x = 2,643,728,289.31/59,211.70
  6. Step 6: Final answer
    x = 44,648.75

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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.