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Finding the Fourth Proportional to 17,574.72, 24,263.36 and 15,213.12

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Solution

The fourth proportional to 17,574.72, 24,263.36 and 15,213.12 is: 21,002.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,574.72 : 24,263.36 = 15,213.12 : x
  2. Step 2: Convert to fraction form
    17,574.72/24,263.36 = 15,213.12/x
  3. Step 3: Cross multiply
    17,574.72x = 24,263.36 × 15,213.12
  4. Step 4: Simplify right side
    17,574.72x = 369,121,407.28
  5. Step 5: Solve for x
    x = 369,121,407.28/17,574.72
  6. Step 6: Final answer
    x = 21,002.98

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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.