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Finding the Fourth Proportional to 10,893.66, 15,018.04 and 7,302.35

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Solution

The fourth proportional to 10,893.66, 15,018.04 and 7,302.35 is: 10,067.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,893.66 : 15,018.04 = 7,302.35 : x
  2. Step 2: Convert to fraction form
    10,893.66/15,018.04 = 7,302.35/x
  3. Step 3: Cross multiply
    10,893.66x = 15,018.04 × 7,302.35
  4. Step 4: Simplify right side
    10,893.66x = 109,667,031.07
  5. Step 5: Solve for x
    x = 109,667,031.07/10,893.66
  6. Step 6: Final answer
    x = 10,067.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.