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Finding the Fourth Proportional to 8,904.74, 13,355.28 and 5,624.24

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Solution

The fourth proportional to 8,904.74, 13,355.28 and 5,624.24 is: 8,435.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,904.74 : 13,355.28 = 5,624.24 : x
  2. Step 2: Convert to fraction form
    8,904.74/13,355.28 = 5,624.24/x
  3. Step 3: Cross multiply
    8,904.74x = 13,355.28 × 5,624.24
  4. Step 4: Simplify right side
    8,904.74x = 75,113,233.21
  5. Step 5: Solve for x
    x = 75,113,233.21/8,904.74
  6. Step 6: Final answer
    x = 8,435.20

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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.