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Finding the Fourth Proportional to 8,051.73, 12,010.71 and 7,918.08

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Solution

The fourth proportional to 8,051.73, 12,010.71 and 7,918.08 is: 11,811.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,051.73 : 12,010.71 = 7,918.08 : x
  2. Step 2: Convert to fraction form
    8,051.73/12,010.71 = 7,918.08/x
  3. Step 3: Cross multiply
    8,051.73x = 12,010.71 × 7,918.08
  4. Step 4: Simplify right side
    8,051.73x = 95,101,762.64
  5. Step 5: Solve for x
    x = 95,101,762.64/8,051.73
  6. Step 6: Final answer
    x = 11,811.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.