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Finding the Fourth Proportional to 8,545.87, 11,792.49 and 4,768.74

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Solution

The fourth proportional to 8,545.87, 11,792.49 and 4,768.74 is: 6,580.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,545.87 : 11,792.49 = 4,768.74 : x
  2. Step 2: Convert to fraction form
    8,545.87/11,792.49 = 4,768.74/x
  3. Step 3: Cross multiply
    8,545.87x = 11,792.49 × 4,768.74
  4. Step 4: Simplify right side
    8,545.87x = 56,235,300.88
  5. Step 5: Solve for x
    x = 56,235,300.88/8,545.87
  6. Step 6: Final answer
    x = 6,580.41

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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.