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Finding the Fourth Proportional to 12,259.93, 16,918.54 and 6,670.93

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Solution

The fourth proportional to 12,259.93, 16,918.54 and 6,670.93 is: 9,205.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,259.93 : 16,918.54 = 6,670.93 : x
  2. Step 2: Convert to fraction form
    12,259.93/16,918.54 = 6,670.93/x
  3. Step 3: Cross multiply
    12,259.93x = 16,918.54 × 6,670.93
  4. Step 4: Simplify right side
    12,259.93x = 112,862,396.04
  5. Step 5: Solve for x
    x = 112,862,396.04/12,259.93
  6. Step 6: Final answer
    x = 9,205.79

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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.