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Finding the Fourth Proportional to 8,545.84, 11,792.85 and 6,306.89

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Solution

The fourth proportional to 8,545.84, 11,792.85 and 6,306.89 is: 8,703.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,545.84 : 11,792.85 = 6,306.89 : x
  2. Step 2: Convert to fraction form
    8,545.84/11,792.85 = 6,306.89/x
  3. Step 3: Cross multiply
    8,545.84x = 11,792.85 × 6,306.89
  4. Step 4: Simplify right side
    8,545.84x = 74,376,237.22
  5. Step 5: Solve for x
    x = 74,376,237.22/8,545.84
  6. Step 6: Final answer
    x = 8,703.21

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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.