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Finding the Fourth Proportional to 17,700.32, 26,555.04 and 5,219.84

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Solution

The fourth proportional to 17,700.32, 26,555.04 and 5,219.84 is: 7,831.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,700.32 : 26,555.04 = 5,219.84 : x
  2. Step 2: Convert to fraction form
    17,700.32/26,555.04 = 5,219.84/x
  3. Step 3: Cross multiply
    17,700.32x = 26,555.04 × 5,219.84
  4. Step 4: Simplify right side
    17,700.32x = 138,613,126.38
  5. Step 5: Solve for x
    x = 138,613,126.38/17,700.32
  6. Step 6: Final answer
    x = 7,831.11

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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.