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Finding the Fourth Proportional to 14,696.61, 20,282.03 and 9,031.59

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Solution

The fourth proportional to 14,696.61, 20,282.03 and 9,031.59 is: 12,464.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,696.61 : 20,282.03 = 9,031.59 : x
  2. Step 2: Convert to fraction form
    14,696.61/20,282.03 = 9,031.59/x
  3. Step 3: Cross multiply
    14,696.61x = 20,282.03 × 9,031.59
  4. Step 4: Simplify right side
    14,696.61x = 183,178,979.33
  5. Step 5: Solve for x
    x = 183,178,979.33/14,696.61
  6. Step 6: Final answer
    x = 12,464.03

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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.