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Finding the Fourth Proportional to 5,663.93, 7,816.59 and 3,425.90

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Solution

The fourth proportional to 5,663.93, 7,816.59 and 3,425.90 is: 4,727.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,663.93 : 7,816.59 = 3,425.90 : x
  2. Step 2: Convert to fraction form
    5,663.93/7,816.59 = 3,425.90/x
  3. Step 3: Cross multiply
    5,663.93x = 7,816.59 × 3,425.90
  4. Step 4: Simplify right side
    5,663.93x = 26,778,816.60
  5. Step 5: Solve for x
    x = 26,778,816.60/5,663.93
  6. Step 6: Final answer
    x = 4,727.96

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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.