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Finding the Fourth Proportional to 16,316.58, 22,516.08 and 9,242.82

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Solution

The fourth proportional to 16,316.58, 22,516.08 and 9,242.82 is: 12,754.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,316.58 : 22,516.08 = 9,242.82 : x
  2. Step 2: Convert to fraction form
    16,316.58/22,516.08 = 9,242.82/x
  3. Step 3: Cross multiply
    16,316.58x = 22,516.08 × 9,242.82
  4. Step 4: Simplify right side
    16,316.58x = 208,112,074.55
  5. Step 5: Solve for x
    x = 208,112,074.55/16,316.58
  6. Step 6: Final answer
    x = 12,754.64

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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.