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Finding the Fourth Proportional to 9,001.54, 13,503.90 and 3,079.08

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Solution

The fourth proportional to 9,001.54, 13,503.90 and 3,079.08 is: 4,619.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,001.54 : 13,503.90 = 3,079.08 : x
  2. Step 2: Convert to fraction form
    9,001.54/13,503.90 = 3,079.08/x
  3. Step 3: Cross multiply
    9,001.54x = 13,503.90 × 3,079.08
  4. Step 4: Simplify right side
    9,001.54x = 41,579,599.96
  5. Step 5: Solve for x
    x = 41,579,599.96/9,001.54
  6. Step 6: Final answer
    x = 4,619.17

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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.