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Finding the Fourth Proportional to 84,763.52, 116,976.08 and 47,040.20

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Solution

The fourth proportional to 84,763.52, 116,976.08 and 47,040.20 is: 64,916.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,763.52 : 116,976.08 = 47,040.20 : x
  2. Step 2: Convert to fraction form
    84,763.52/116,976.08 = 47,040.20/x
  3. Step 3: Cross multiply
    84,763.52x = 116,976.08 × 47,040.20
  4. Step 4: Simplify right side
    84,763.52x = 5,502,578,198.42
  5. Step 5: Solve for x
    x = 5,502,578,198.42/84,763.52
  6. Step 6: Final answer
    x = 64,916.82

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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.