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Finding the Fourth Proportional to 69,935.66, 96,434.84 and 47,235.25

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Solution

The fourth proportional to 69,935.66, 96,434.84 and 47,235.25 is: 65,133.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,935.66 : 96,434.84 = 47,235.25 : x
  2. Step 2: Convert to fraction form
    69,935.66/96,434.84 = 47,235.25/x
  3. Step 3: Cross multiply
    69,935.66x = 96,434.84 × 47,235.25
  4. Step 4: Simplify right side
    69,935.66x = 4,555,123,057.76
  5. Step 5: Solve for x
    x = 4,555,123,057.76/69,935.66
  6. Step 6: Final answer
    x = 65,133.05

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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.