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Finding the Fourth Proportional to 7,381.95, 10,186.98 and 4,024.92

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Solution

The fourth proportional to 7,381.95, 10,186.98 and 4,024.92 is: 5,554.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381.95 : 10,186.98 = 4,024.92 : x
  2. Step 2: Convert to fraction form
    7,381.95/10,186.98 = 4,024.92/x
  3. Step 3: Cross multiply
    7,381.95x = 10,186.98 × 4,024.92
  4. Step 4: Simplify right side
    7,381.95x = 41,001,779.54
  5. Step 5: Solve for x
    x = 41,001,779.54/7,381.95
  6. Step 6: Final answer
    x = 5,554.33

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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.