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Finding the Fourth Proportional to 60,860.60, 83,983.62 and 34,001.78

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Solution

The fourth proportional to 60,860.60, 83,983.62 and 34,001.78 is: 46,920.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,860.60 : 83,983.62 = 34,001.78 : x
  2. Step 2: Convert to fraction form
    60,860.60/83,983.62 = 34,001.78/x
  3. Step 3: Cross multiply
    60,860.60x = 83,983.62 × 34,001.78
  4. Step 4: Simplify right side
    60,860.60x = 2,855,592,570.84
  5. Step 5: Solve for x
    x = 2,855,592,570.84/60,860.60
  6. Step 6: Final answer
    x = 46,920.22

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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.