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Finding the Fourth Proportional to 69,805.63, 96,332.79 and 42,932.26

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Solution

The fourth proportional to 69,805.63, 96,332.79 and 42,932.26 is: 59,247.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,805.63 : 96,332.79 = 42,932.26 : x
  2. Step 2: Convert to fraction form
    69,805.63/96,332.79 = 42,932.26/x
  3. Step 3: Cross multiply
    69,805.63x = 96,332.79 × 42,932.26
  4. Step 4: Simplify right side
    69,805.63x = 4,135,784,386.81
  5. Step 5: Solve for x
    x = 4,135,784,386.81/69,805.63
  6. Step 6: Final answer
    x = 59,247.15

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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.