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Finding the Fourth Proportional to 16,636.53, 24,959.91 and 9,980.42

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Solution

The fourth proportional to 16,636.53, 24,959.91 and 9,980.42 is: 14,973.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,636.53 : 24,959.91 = 9,980.42 : x
  2. Step 2: Convert to fraction form
    16,636.53/24,959.91 = 9,980.42/x
  3. Step 3: Cross multiply
    16,636.53x = 24,959.91 × 9,980.42
  4. Step 4: Simplify right side
    16,636.53x = 249,110,260.16
  5. Step 5: Solve for x
    x = 249,110,260.16/16,636.53
  6. Step 6: Final answer
    x = 14,973.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.