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Finding the Fourth Proportional to 8,497.86, 12,754.54 and 4,340.74

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Solution

The fourth proportional to 8,497.86, 12,754.54 and 4,340.74 is: 6,515.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,497.86 : 12,754.54 = 4,340.74 : x
  2. Step 2: Convert to fraction form
    8,497.86/12,754.54 = 4,340.74/x
  3. Step 3: Cross multiply
    8,497.86x = 12,754.54 × 4,340.74
  4. Step 4: Simplify right side
    8,497.86x = 55,364,127.21
  5. Step 5: Solve for x
    x = 55,364,127.21/8,497.86
  6. Step 6: Final answer
    x = 6,515.07

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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.