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Finding the Fourth Proportional to 16,393.52, 22,622.28 and 9,319.16

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Solution

The fourth proportional to 16,393.52, 22,622.28 and 9,319.16 is: 12,860.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,393.52 : 22,622.28 = 9,319.16 : x
  2. Step 2: Convert to fraction form
    16,393.52/22,622.28 = 9,319.16/x
  3. Step 3: Cross multiply
    16,393.52x = 22,622.28 × 9,319.16
  4. Step 4: Simplify right side
    16,393.52x = 210,820,646.88
  5. Step 5: Solve for x
    x = 210,820,646.88/16,393.52
  6. Step 6: Final answer
    x = 12,860.00

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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.