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Finding the Fourth Proportional to 60,860.80, 83,980.29 and 34,002.28

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Solution

The fourth proportional to 60,860.80, 83,980.29 and 34,002.28 is: 46,918.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,860.80 : 83,980.29 = 34,002.28 : x
  2. Step 2: Convert to fraction form
    60,860.80/83,980.29 = 34,002.28/x
  3. Step 3: Cross multiply
    60,860.80x = 83,980.29 × 34,002.28
  4. Step 4: Simplify right side
    60,860.80x = 2,855,521,335.06
  5. Step 5: Solve for x
    x = 2,855,521,335.06/60,860.80
  6. Step 6: Final answer
    x = 46,918.89

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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.