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Finding the Fourth Proportional to 8,935.30, 12,330.05 and 4,901.46

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Solution

The fourth proportional to 8,935.30, 12,330.05 and 4,901.46 is: 6,763.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,935.30 : 12,330.05 = 4,901.46 : x
  2. Step 2: Convert to fraction form
    8,935.30/12,330.05 = 4,901.46/x
  3. Step 3: Cross multiply
    8,935.30x = 12,330.05 × 4,901.46
  4. Step 4: Simplify right side
    8,935.30x = 60,435,246.87
  5. Step 5: Solve for x
    x = 60,435,246.87/8,935.30
  6. Step 6: Final answer
    x = 6,763.65

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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.