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Finding the Fourth Proportional to 16,392.16, 22,619.96 and 10,104.64

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Solution

The fourth proportional to 16,392.16, 22,619.96 and 10,104.64 is: 13,943.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,392.16 : 22,619.96 = 10,104.64 : x
  2. Step 2: Convert to fraction form
    16,392.16/22,619.96 = 10,104.64/x
  3. Step 3: Cross multiply
    16,392.16x = 22,619.96 × 10,104.64
  4. Step 4: Simplify right side
    16,392.16x = 228,566,552.61
  5. Step 5: Solve for x
    x = 228,566,552.61/16,392.16
  6. Step 6: Final answer
    x = 13,943.65

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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.