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Finding the Fourth Proportional to 2,995.95, 4,488.92 and 2,117.00

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Solution

The fourth proportional to 2,995.95, 4,488.92 and 2,117.00 is: 3,171.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,995.95 : 4,488.92 = 2,117.00 : x
  2. Step 2: Convert to fraction form
    2,995.95/4,488.92 = 2,117.00/x
  3. Step 3: Cross multiply
    2,995.95x = 4,488.92 × 2,117.00
  4. Step 4: Simplify right side
    2,995.95x = 9,503,010.61
  5. Step 5: Solve for x
    x = 9,503,010.61/2,995.95
  6. Step 6: Final answer
    x = 3,171.95

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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.