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Finding the Fourth Proportional to 12,527.65, 17,279.85 and 8,057.06

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Solution

The fourth proportional to 12,527.65, 17,279.85 and 8,057.06 is: 11,113.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,527.65 : 17,279.85 = 8,057.06 : x
  2. Step 2: Convert to fraction form
    12,527.65/17,279.85 = 8,057.06/x
  3. Step 3: Cross multiply
    12,527.65x = 17,279.85 × 8,057.06
  4. Step 4: Simplify right side
    12,527.65x = 139,224,788.24
  5. Step 5: Solve for x
    x = 139,224,788.24/12,527.65
  6. Step 6: Final answer
    x = 11,113.40

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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.