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Finding the Fourth Proportional to 13,094.05, 18,070.01 and 7,125.82

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Solution

The fourth proportional to 13,094.05, 18,070.01 and 7,125.82 is: 9,833.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,094.05 : 18,070.01 = 7,125.82 : x
  2. Step 2: Convert to fraction form
    13,094.05/18,070.01 = 7,125.82/x
  3. Step 3: Cross multiply
    13,094.05x = 18,070.01 × 7,125.82
  4. Step 4: Simplify right side
    13,094.05x = 128,763,638.66
  5. Step 5: Solve for x
    x = 128,763,638.66/13,094.05
  6. Step 6: Final answer
    x = 9,833.75

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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.