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Finding the Fourth Proportional to 9,312.32, 13,949.94 and 4,366.92

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Solution

The fourth proportional to 9,312.32, 13,949.94 and 4,366.92 is: 6,541.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,312.32 : 13,949.94 = 4,366.92 : x
  2. Step 2: Convert to fraction form
    9,312.32/13,949.94 = 4,366.92/x
  3. Step 3: Cross multiply
    9,312.32x = 13,949.94 × 4,366.92
  4. Step 4: Simplify right side
    9,312.32x = 60,918,271.98
  5. Step 5: Solve for x
    x = 60,918,271.98/9,312.32
  6. Step 6: Final answer
    x = 6,541.69

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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.