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Finding the Fourth Proportional to 14,602.71, 21,900.03 and 6,280.95

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Solution

The fourth proportional to 14,602.71, 21,900.03 and 6,280.95 is: 9,419.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,602.71 : 21,900.03 = 6,280.95 : x
  2. Step 2: Convert to fraction form
    14,602.71/21,900.03 = 6,280.95/x
  3. Step 3: Cross multiply
    14,602.71x = 21,900.03 × 6,280.95
  4. Step 4: Simplify right side
    14,602.71x = 137,552,993.43
  5. Step 5: Solve for x
    x = 137,552,993.43/14,602.71
  6. Step 6: Final answer
    x = 9,419.69

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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.