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Finding the Fourth Proportional to 17,428.79, 24,051.74 and 9,470.99

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Solution

The fourth proportional to 17,428.79, 24,051.74 and 9,470.99 is: 13,069.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,428.79 : 24,051.74 = 9,470.99 : x
  2. Step 2: Convert to fraction form
    17,428.79/24,051.74 = 9,470.99/x
  3. Step 3: Cross multiply
    17,428.79x = 24,051.74 × 9,470.99
  4. Step 4: Simplify right side
    17,428.79x = 227,793,801.80
  5. Step 5: Solve for x
    x = 227,793,801.80/17,428.79
  6. Step 6: Final answer
    x = 13,069.97

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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.