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Finding the Fourth Proportional to 9,908.32, 14,865.06 and 4,362.76

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Solution

The fourth proportional to 9,908.32, 14,865.06 and 4,362.76 is: 6,545.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,908.32 : 14,865.06 = 4,362.76 : x
  2. Step 2: Convert to fraction form
    9,908.32/14,865.06 = 4,362.76/x
  3. Step 3: Cross multiply
    9,908.32x = 14,865.06 × 4,362.76
  4. Step 4: Simplify right side
    9,908.32x = 64,852,689.17
  5. Step 5: Solve for x
    x = 64,852,689.17/9,908.32
  6. Step 6: Final answer
    x = 6,545.28

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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.