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Finding the Fourth Proportional to 60,686.44, 83,747.64 and 33,830.64

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Solution

The fourth proportional to 60,686.44, 83,747.64 and 33,830.64 is: 46,686.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,686.44 : 83,747.64 = 33,830.64 : x
  2. Step 2: Convert to fraction form
    60,686.44/83,747.64 = 33,830.64/x
  3. Step 3: Cross multiply
    60,686.44x = 83,747.64 × 33,830.64
  4. Step 4: Simplify right side
    60,686.44x = 2,833,236,259.69
  5. Step 5: Solve for x
    x = 2,833,236,259.69/60,686.44
  6. Step 6: Final answer
    x = 46,686.48

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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.