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Finding the Fourth Proportional to 10,176.91, 15,267.80 and 4,250.50

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Solution

The fourth proportional to 10,176.91, 15,267.80 and 4,250.50 is: 6,376.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,176.91 : 15,267.80 = 4,250.50 : x
  2. Step 2: Convert to fraction form
    10,176.91/15,267.80 = 4,250.50/x
  3. Step 3: Cross multiply
    10,176.91x = 15,267.80 × 4,250.50
  4. Step 4: Simplify right side
    10,176.91x = 64,895,783.90
  5. Step 5: Solve for x
    x = 64,895,783.90/10,176.91
  6. Step 6: Final answer
    x = 6,376.77

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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.