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Finding the Fourth Proportional to 26,607.93, 39,918.15 and 7,888.13

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Solution

The fourth proportional to 26,607.93, 39,918.15 and 7,888.13 is: 11,834.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,607.93 : 39,918.15 = 7,888.13 : x
  2. Step 2: Convert to fraction form
    26,607.93/39,918.15 = 7,888.13/x
  3. Step 3: Cross multiply
    26,607.93x = 39,918.15 × 7,888.13
  4. Step 4: Simplify right side
    26,607.93x = 314,879,356.97
  5. Step 5: Solve for x
    x = 314,879,356.97/26,607.93
  6. Step 6: Final answer
    x = 11,834.04

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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.