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Finding the Fourth Proportional to 8,364.45, 12,545.52 and 4,623.14

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Solution

The fourth proportional to 8,364.45, 12,545.52 and 4,623.14 is: 6,934.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,364.45 : 12,545.52 = 4,623.14 : x
  2. Step 2: Convert to fraction form
    8,364.45/12,545.52 = 4,623.14/x
  3. Step 3: Cross multiply
    8,364.45x = 12,545.52 × 4,623.14
  4. Step 4: Simplify right side
    8,364.45x = 57,999,672.22
  5. Step 5: Solve for x
    x = 57,999,672.22/8,364.45
  6. Step 6: Final answer
    x = 6,934.07

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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.