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Finding the Fourth Proportional to 17,259.28, 25,888.92 and 7,392.16

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Solution

The fourth proportional to 17,259.28, 25,888.92 and 7,392.16 is: 11,088.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,259.28 : 25,888.92 = 7,392.16 : x
  2. Step 2: Convert to fraction form
    17,259.28/25,888.92 = 7,392.16/x
  3. Step 3: Cross multiply
    17,259.28x = 25,888.92 × 7,392.16
  4. Step 4: Simplify right side
    17,259.28x = 191,375,043.51
  5. Step 5: Solve for x
    x = 191,375,043.51/17,259.28
  6. Step 6: Final answer
    x = 11,088.24

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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.