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Finding the Fourth Proportional to 59,095.77, 81,520.59 and 39,950.40

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Solution

The fourth proportional to 59,095.77, 81,520.59 and 39,950.40 is: 55,110.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,095.77 : 81,520.59 = 39,950.40 : x
  2. Step 2: Convert to fraction form
    59,095.77/81,520.59 = 39,950.40/x
  3. Step 3: Cross multiply
    59,095.77x = 81,520.59 × 39,950.40
  4. Step 4: Simplify right side
    59,095.77x = 3,256,780,178.74
  5. Step 5: Solve for x
    x = 3,256,780,178.74/59,095.77
  6. Step 6: Final answer
    x = 55,110.21

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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.