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Finding the Fourth Proportional to 2,353.95, 3,263.96 and 2,275.89

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Solution

The fourth proportional to 2,353.95, 3,263.96 and 2,275.89 is: 3,155.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,353.95 : 3,263.96 = 2,275.89 : x
  2. Step 2: Convert to fraction form
    2,353.95/3,263.96 = 2,275.89/x
  3. Step 3: Cross multiply
    2,353.95x = 3,263.96 × 2,275.89
  4. Step 4: Simplify right side
    2,353.95x = 7,428,413.92
  5. Step 5: Solve for x
    x = 7,428,413.92/2,353.95
  6. Step 6: Final answer
    x = 3,155.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.