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Finding the Fourth Proportional to 8,362.61, 12,545.13 and 4,464.89

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Solution

The fourth proportional to 8,362.61, 12,545.13 and 4,464.89 is: 6,697.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,362.61 : 12,545.13 = 4,464.89 : x
  2. Step 2: Convert to fraction form
    8,362.61/12,545.13 = 4,464.89/x
  3. Step 3: Cross multiply
    8,362.61x = 12,545.13 × 4,464.89
  4. Step 4: Simplify right side
    8,362.61x = 56,012,562.76
  5. Step 5: Solve for x
    x = 56,012,562.76/8,362.61
  6. Step 6: Final answer
    x = 6,697.98

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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.