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Finding the Fourth Proportional to 17,206.48, 25,798.95 and 7,208.51

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Solution

The fourth proportional to 17,206.48, 25,798.95 and 7,208.51 is: 10,808.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,206.48 : 25,798.95 = 7,208.51 : x
  2. Step 2: Convert to fraction form
    17,206.48/25,798.95 = 7,208.51/x
  3. Step 3: Cross multiply
    17,206.48x = 25,798.95 × 7,208.51
  4. Step 4: Simplify right side
    17,206.48x = 185,972,129.57
  5. Step 5: Solve for x
    x = 185,972,129.57/17,206.48
  6. Step 6: Final answer
    x = 10,808.26

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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.