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Finding the Fourth Proportional to 9,019.01, 13,528.52 and 5,918.63

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Solution

The fourth proportional to 9,019.01, 13,528.52 and 5,918.63 is: 8,877.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,019.01 : 13,528.52 = 5,918.63 : x
  2. Step 2: Convert to fraction form
    9,019.01/13,528.52 = 5,918.63/x
  3. Step 3: Cross multiply
    9,019.01x = 13,528.52 × 5,918.63
  4. Step 4: Simplify right side
    9,019.01x = 80,070,304.33
  5. Step 5: Solve for x
    x = 80,070,304.33/9,019.01
  6. Step 6: Final answer
    x = 8,877.95

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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.