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Finding the Fourth Proportional to 17,362.40, 23,952.72 and 11,392.72

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Solution

The fourth proportional to 17,362.40, 23,952.72 and 11,392.72 is: 15,717.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,362.40 : 23,952.72 = 11,392.72 : x
  2. Step 2: Convert to fraction form
    17,362.40/23,952.72 = 11,392.72/x
  3. Step 3: Cross multiply
    17,362.40x = 23,952.72 × 11,392.72
  4. Step 4: Simplify right side
    17,362.40x = 272,886,632.20
  5. Step 5: Solve for x
    x = 272,886,632.20/17,362.40
  6. Step 6: Final answer
    x = 15,717.10

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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.