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Finding the Fourth Proportional to 22,700.12, 34,051.08 and 7,910.54

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Solution

The fourth proportional to 22,700.12, 34,051.08 and 7,910.54 is: 11,866.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,700.12 : 34,051.08 = 7,910.54 : x
  2. Step 2: Convert to fraction form
    22,700.12/34,051.08 = 7,910.54/x
  3. Step 3: Cross multiply
    22,700.12x = 34,051.08 × 7,910.54
  4. Step 4: Simplify right side
    22,700.12x = 269,362,430.38
  5. Step 5: Solve for x
    x = 269,362,430.38/22,700.12
  6. Step 6: Final answer
    x = 11,866.12

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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.