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Finding the Fourth Proportional to 15,698.15, 23,640.07 and 11,346.02

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Solution

The fourth proportional to 15,698.15, 23,640.07 and 11,346.02 is: 17,086.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,698.15 : 23,640.07 = 11,346.02 : x
  2. Step 2: Convert to fraction form
    15,698.15/23,640.07 = 11,346.02/x
  3. Step 3: Cross multiply
    15,698.15x = 23,640.07 × 11,346.02
  4. Step 4: Simplify right side
    15,698.15x = 268,220,560.46
  5. Step 5: Solve for x
    x = 268,220,560.46/15,698.15
  6. Step 6: Final answer
    x = 17,086.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.