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Finding the Fourth Proportional to 14,774.68, 20,391.80 and 9,602.04

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Solution

The fourth proportional to 14,774.68, 20,391.80 and 9,602.04 is: 13,252.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,774.68 : 20,391.80 = 9,602.04 : x
  2. Step 2: Convert to fraction form
    14,774.68/20,391.80 = 9,602.04/x
  3. Step 3: Cross multiply
    14,774.68x = 20,391.80 × 9,602.04
  4. Step 4: Simplify right side
    14,774.68x = 195,802,879.27
  5. Step 5: Solve for x
    x = 195,802,879.27/14,774.68
  6. Step 6: Final answer
    x = 13,252.60

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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.