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Finding the Fourth Proportional to 5,990.81, 8,926.01 and 5,655.47

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Solution

The fourth proportional to 5,990.81, 8,926.01 and 5,655.47 is: 8,426.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,990.81 : 8,926.01 = 5,655.47 : x
  2. Step 2: Convert to fraction form
    5,990.81/8,926.01 = 5,655.47/x
  3. Step 3: Cross multiply
    5,990.81x = 8,926.01 × 5,655.47
  4. Step 4: Simplify right side
    5,990.81x = 50,480,818.23
  5. Step 5: Solve for x
    x = 50,480,818.23/5,990.81
  6. Step 6: Final answer
    x = 8,426.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.