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Finding the Fourth Proportional to 8,904.13, 12,287.80 and 4,925.41

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Solution

The fourth proportional to 8,904.13, 12,287.80 and 4,925.41 is: 6,797.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,904.13 : 12,287.80 = 4,925.41 : x
  2. Step 2: Convert to fraction form
    8,904.13/12,287.80 = 4,925.41/x
  3. Step 3: Cross multiply
    8,904.13x = 12,287.80 × 4,925.41
  4. Step 4: Simplify right side
    8,904.13x = 60,522,428.44
  5. Step 5: Solve for x
    x = 60,522,428.44/8,904.13
  6. Step 6: Final answer
    x = 6,797.12

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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.