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Finding the Fourth Proportional to 14,978.04, 22,465.10 and 4,447.84

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Solution

The fourth proportional to 14,978.04, 22,465.10 and 4,447.84 is: 6,671.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,978.04 : 22,465.10 = 4,447.84 : x
  2. Step 2: Convert to fraction form
    14,978.04/22,465.10 = 4,447.84/x
  3. Step 3: Cross multiply
    14,978.04x = 22,465.10 × 4,447.84
  4. Step 4: Simplify right side
    14,978.04x = 99,921,148.14
  5. Step 5: Solve for x
    x = 99,921,148.14/14,978.04
  6. Step 6: Final answer
    x = 6,671.18

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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.