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Finding the Fourth Proportional to 69,054.76, 95,281.28 and 40,368.88

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Solution

The fourth proportional to 69,054.76, 95,281.28 and 40,368.88 is: 55,700.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,054.76 : 95,281.28 = 40,368.88 : x
  2. Step 2: Convert to fraction form
    69,054.76/95,281.28 = 40,368.88/x
  3. Step 3: Cross multiply
    69,054.76x = 95,281.28 × 40,368.88
  4. Step 4: Simplify right side
    69,054.76x = 3,846,398,558.57
  5. Step 5: Solve for x
    x = 3,846,398,558.57/69,054.76
  6. Step 6: Final answer
    x = 55,700.70

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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.