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Finding the Fourth Proportional to 14,361.47, 21,542.05 and 5,602.53

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Solution

The fourth proportional to 14,361.47, 21,542.05 and 5,602.53 is: 8,403.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,361.47 : 21,542.05 = 5,602.53 : x
  2. Step 2: Convert to fraction form
    14,361.47/21,542.05 = 5,602.53/x
  3. Step 3: Cross multiply
    14,361.47x = 21,542.05 × 5,602.53
  4. Step 4: Simplify right side
    14,361.47x = 120,690,069.17
  5. Step 5: Solve for x
    x = 120,690,069.17/14,361.47
  6. Step 6: Final answer
    x = 8,403.74

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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.