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Finding the Fourth Proportional to 8,901.68, 12,283.24 and 4,922.25

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Solution

The fourth proportional to 8,901.68, 12,283.24 and 4,922.25 is: 6,792.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,901.68 : 12,283.24 = 4,922.25 : x
  2. Step 2: Convert to fraction form
    8,901.68/12,283.24 = 4,922.25/x
  3. Step 3: Cross multiply
    8,901.68x = 12,283.24 × 4,922.25
  4. Step 4: Simplify right side
    8,901.68x = 60,461,178.09
  5. Step 5: Solve for x
    x = 60,461,178.09/8,901.68
  6. Step 6: Final answer
    x = 6,792.11

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Half scale
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Double scale
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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.