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Finding the Fourth Proportional to 8,768.71, 13,153.19 and 2,925.33

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Solution

The fourth proportional to 8,768.71, 13,153.19 and 2,925.33 is: 4,388.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,768.71 : 13,153.19 = 2,925.33 : x
  2. Step 2: Convert to fraction form
    8,768.71/13,153.19 = 2,925.33/x
  3. Step 3: Cross multiply
    8,768.71x = 13,153.19 × 2,925.33
  4. Step 4: Simplify right side
    8,768.71x = 38,477,421.30
  5. Step 5: Solve for x
    x = 38,477,421.30/8,768.71
  6. Step 6: Final answer
    x = 4,388.04

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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.