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Finding the Fourth Proportional to 55,159.88, 76,147.08 and 33,957.32

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Solution

The fourth proportional to 55,159.88, 76,147.08 and 33,957.32 is: 46,877.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,159.88 : 76,147.08 = 33,957.32 : x
  2. Step 2: Convert to fraction form
    55,159.88/76,147.08 = 33,957.32/x
  3. Step 3: Cross multiply
    55,159.88x = 76,147.08 × 33,957.32
  4. Step 4: Simplify right side
    55,159.88x = 2,585,750,952.99
  5. Step 5: Solve for x
    x = 2,585,750,952.99/55,159.88
  6. Step 6: Final answer
    x = 46,877.38

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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.