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Finding the Fourth Proportional to 9,325.88, 12,870.95 and 5,346.23

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Solution

The fourth proportional to 9,325.88, 12,870.95 and 5,346.23 is: 7,378.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,325.88 : 12,870.95 = 5,346.23 : x
  2. Step 2: Convert to fraction form
    9,325.88/12,870.95 = 5,346.23/x
  3. Step 3: Cross multiply
    9,325.88x = 12,870.95 × 5,346.23
  4. Step 4: Simplify right side
    9,325.88x = 68,811,034.20
  5. Step 5: Solve for x
    x = 68,811,034.20/9,325.88
  6. Step 6: Final answer
    x = 7,378.50

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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.