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Finding the Fourth Proportional to 14,246.58, 21,377.52 and 7,321.08

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Solution

The fourth proportional to 14,246.58, 21,377.52 and 7,321.08 is: 10,985.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,246.58 : 21,377.52 = 7,321.08 : x
  2. Step 2: Convert to fraction form
    14,246.58/21,377.52 = 7,321.08/x
  3. Step 3: Cross multiply
    14,246.58x = 21,377.52 × 7,321.08
  4. Step 4: Simplify right side
    14,246.58x = 156,506,534.12
  5. Step 5: Solve for x
    x = 156,506,534.12/14,246.58
  6. Step 6: Final answer
    x = 10,985.55

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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.