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Finding the Fourth Proportional to 9,015.49, 13,530.21 and 6,261.49

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Solution

The fourth proportional to 9,015.49, 13,530.21 and 6,261.49 is: 9,397.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,015.49 : 13,530.21 = 6,261.49 : x
  2. Step 2: Convert to fraction form
    9,015.49/13,530.21 = 6,261.49/x
  3. Step 3: Cross multiply
    9,015.49x = 13,530.21 × 6,261.49
  4. Step 4: Simplify right side
    9,015.49x = 84,719,274.61
  5. Step 5: Solve for x
    x = 84,719,274.61/9,015.49
  6. Step 6: Final answer
    x = 9,397.08

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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.