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Finding the Fourth Proportional to 14,092.79, 19,448.00 and 7,805.16

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Solution

The fourth proportional to 14,092.79, 19,448.00 and 7,805.16 is: 10,771.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,092.79 : 19,448.00 = 7,805.16 : x
  2. Step 2: Convert to fraction form
    14,092.79/19,448.00 = 7,805.16/x
  3. Step 3: Cross multiply
    14,092.79x = 19,448.00 × 7,805.16
  4. Step 4: Simplify right side
    14,092.79x = 151,794,741.92
  5. Step 5: Solve for x
    x = 151,794,741.92/14,092.79
  6. Step 6: Final answer
    x = 10,771.10

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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.