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Finding the Fourth Proportional to 69,937.76, 104,921.59 and 22,555.55

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Solution

The fourth proportional to 69,937.76, 104,921.59 and 22,555.55 is: 33,838.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,937.76 : 104,921.59 = 22,555.55 : x
  2. Step 2: Convert to fraction form
    69,937.76/104,921.59 = 22,555.55/x
  3. Step 3: Cross multiply
    69,937.76x = 104,921.59 × 22,555.55
  4. Step 4: Simplify right side
    69,937.76x = 2,366,564,169.32
  5. Step 5: Solve for x
    x = 2,366,564,169.32/69,937.76
  6. Step 6: Final answer
    x = 33,838.15

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1.5x scale

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.