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Finding the Fourth Proportional to 9,230.40, 12,737.25 and 5,038.65

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Solution

The fourth proportional to 9,230.40, 12,737.25 and 5,038.65 is: 6,952.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,230.40 : 12,737.25 = 5,038.65 : x
  2. Step 2: Convert to fraction form
    9,230.40/12,737.25 = 5,038.65/x
  3. Step 3: Cross multiply
    9,230.40x = 12,737.25 × 5,038.65
  4. Step 4: Simplify right side
    9,230.40x = 64,178,544.71
  5. Step 5: Solve for x
    x = 64,178,544.71/9,230.40
  6. Step 6: Final answer
    x = 6,952.95

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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.