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Finding the Fourth Proportional to 84,002.80, 115,924.20 and 46,277.20

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Solution

The fourth proportional to 84,002.80, 115,924.20 and 46,277.20 is: 63,862.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,002.80 : 115,924.20 = 46,277.20 : x
  2. Step 2: Convert to fraction form
    84,002.80/115,924.20 = 46,277.20/x
  3. Step 3: Cross multiply
    84,002.80x = 115,924.20 × 46,277.20
  4. Step 4: Simplify right side
    84,002.80x = 5,364,647,388.24
  5. Step 5: Solve for x
    x = 5,364,647,388.24/84,002.80
  6. Step 6: Final answer
    x = 63,862.72

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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.