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Finding the Fourth Proportional to 8,774.04, 13,157.28 and 2,929.08

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Solution

The fourth proportional to 8,774.04, 13,157.28 and 2,929.08 is: 4,392.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,774.04 : 13,157.28 = 2,929.08 : x
  2. Step 2: Convert to fraction form
    8,774.04/13,157.28 = 2,929.08/x
  3. Step 3: Cross multiply
    8,774.04x = 13,157.28 × 2,929.08
  4. Step 4: Simplify right side
    8,774.04x = 38,538,725.70
  5. Step 5: Solve for x
    x = 38,538,725.70/8,774.04
  6. Step 6: Final answer
    x = 4,392.36

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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.