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Finding the Fourth Proportional to 14,347, 19,799.04 and 8,681.86

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Solution

The fourth proportional to 14,347, 19,799.04 and 8,681.86 is: 11,981.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,347 : 19,799.04 = 8,681.86 : x
  2. Step 2: Convert to fraction form
    14,347/19,799.04 = 8,681.86/x
  3. Step 3: Cross multiply
    14,347x = 19,799.04 × 8,681.86
  4. Step 4: Simplify right side
    14,347x = 171,892,493.41
  5. Step 5: Solve for x
    x = 171,892,493.41/14,347
  6. Step 6: Final answer
    x = 11,981.08

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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.