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Finding the Fourth Proportional to 14,751.48, 20,354.58 and 9,445.17

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Solution

The fourth proportional to 14,751.48, 20,354.58 and 9,445.17 is: 13,032.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,751.48 : 20,354.58 = 9,445.17 : x
  2. Step 2: Convert to fraction form
    14,751.48/20,354.58 = 9,445.17/x
  3. Step 3: Cross multiply
    14,751.48x = 20,354.58 × 9,445.17
  4. Step 4: Simplify right side
    14,751.48x = 192,252,468.38
  5. Step 5: Solve for x
    x = 192,252,468.38/14,751.48
  6. Step 6: Final answer
    x = 13,032.76

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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.