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Finding the Fourth Proportional to 14,322, 21,482.12 and 4,459.88

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Solution

The fourth proportional to 14,322, 21,482.12 and 4,459.88 is: 6,689.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,322 : 21,482.12 = 4,459.88 : x
  2. Step 2: Convert to fraction form
    14,322/21,482.12 = 4,459.88/x
  3. Step 3: Cross multiply
    14,322x = 21,482.12 × 4,459.88
  4. Step 4: Simplify right side
    14,322x = 95,807,677.35
  5. Step 5: Solve for x
    x = 95,807,677.35/14,322
  6. Step 6: Final answer
    x = 6,689.55

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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.