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Finding the Fourth Proportional to 15,068.16, 22,609.44 and 9,221.40

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Solution

The fourth proportional to 15,068.16, 22,609.44 and 9,221.40 is: 13,836.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,068.16 : 22,609.44 = 9,221.40 : x
  2. Step 2: Convert to fraction form
    15,068.16/22,609.44 = 9,221.40/x
  3. Step 3: Cross multiply
    15,068.16x = 22,609.44 × 9,221.40
  4. Step 4: Simplify right side
    15,068.16x = 208,490,690.02
  5. Step 5: Solve for x
    x = 208,490,690.02/15,068.16
  6. Step 6: Final answer
    x = 13,836.51

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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.