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Finding the Fourth Proportional to 8,707.01, 12,968.76 and 8,524.76

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Solution

The fourth proportional to 8,707.01, 12,968.76 and 8,524.76 is: 12,697.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,707.01 : 12,968.76 = 8,524.76 : x
  2. Step 2: Convert to fraction form
    8,707.01/12,968.76 = 8,524.76/x
  3. Step 3: Cross multiply
    8,707.01x = 12,968.76 × 8,524.76
  4. Step 4: Simplify right side
    8,707.01x = 110,555,501.65
  5. Step 5: Solve for x
    x = 110,555,501.65/8,707.01
  6. Step 6: Final answer
    x = 12,697.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.