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Finding the Fourth Proportional to 5,602.86, 8,393.15 and 5,143.59

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Solution

The fourth proportional to 5,602.86, 8,393.15 and 5,143.59 is: 7,705.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,602.86 : 8,393.15 = 5,143.59 : x
  2. Step 2: Convert to fraction form
    5,602.86/8,393.15 = 5,143.59/x
  3. Step 3: Cross multiply
    5,602.86x = 8,393.15 × 5,143.59
  4. Step 4: Simplify right side
    5,602.86x = 43,170,922.41
  5. Step 5: Solve for x
    x = 43,170,922.41/5,602.86
  6. Step 6: Final answer
    x = 7,705.16

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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.