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Finding the Fourth Proportional to 8,309.58, 12,444.54 and 4,792.17

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Solution

The fourth proportional to 8,309.58, 12,444.54 and 4,792.17 is: 7,176.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,309.58 : 12,444.54 = 4,792.17 : x
  2. Step 2: Convert to fraction form
    8,309.58/12,444.54 = 4,792.17/x
  3. Step 3: Cross multiply
    8,309.58x = 12,444.54 × 4,792.17
  4. Step 4: Simplify right side
    8,309.58x = 59,636,351.25
  5. Step 5: Solve for x
    x = 59,636,351.25/8,309.58
  6. Step 6: Final answer
    x = 7,176.82

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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.