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Finding the Fourth Proportional to 57,987.55, 86,963.10 and 35,767.63

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Solution

The fourth proportional to 57,987.55, 86,963.10 and 35,767.63 is: 53,640.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,987.55 : 86,963.10 = 35,767.63 : x
  2. Step 2: Convert to fraction form
    57,987.55/86,963.10 = 35,767.63/x
  3. Step 3: Cross multiply
    57,987.55x = 86,963.10 × 35,767.63
  4. Step 4: Simplify right side
    57,987.55x = 3,110,463,984.45
  5. Step 5: Solve for x
    x = 3,110,463,984.45/57,987.55
  6. Step 6: Final answer
    x = 53,640.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.