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Finding the Fourth Proportional to 45,302.78, 67,927.34 and 13,703.26

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Solution

The fourth proportional to 45,302.78, 67,927.34 and 13,703.26 is: 20,546.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,302.78 : 67,927.34 = 13,703.26 : x
  2. Step 2: Convert to fraction form
    45,302.78/67,927.34 = 13,703.26/x
  3. Step 3: Cross multiply
    45,302.78x = 67,927.34 × 13,703.26
  4. Step 4: Simplify right side
    45,302.78x = 930,826,001.13
  5. Step 5: Solve for x
    x = 930,826,001.13/45,302.78
  6. Step 6: Final answer
    x = 20,546.77

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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.