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Finding the Fourth Proportional to 12,549.71, 18,797.76 and 6,607.86

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Solution

The fourth proportional to 12,549.71, 18,797.76 and 6,607.86 is: 9,897.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,549.71 : 18,797.76 = 6,607.86 : x
  2. Step 2: Convert to fraction form
    12,549.71/18,797.76 = 6,607.86/x
  3. Step 3: Cross multiply
    12,549.71x = 18,797.76 × 6,607.86
  4. Step 4: Simplify right side
    12,549.71x = 124,212,966.39
  5. Step 5: Solve for x
    x = 124,212,966.39/12,549.71
  6. Step 6: Final answer
    x = 9,897.68

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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.