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Finding the Fourth Proportional to 6,330.58, 9,438.87 and 5,803.66

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Solution

The fourth proportional to 6,330.58, 9,438.87 and 5,803.66 is: 8,653.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,330.58 : 9,438.87 = 5,803.66 : x
  2. Step 2: Convert to fraction form
    6,330.58/9,438.87 = 5,803.66/x
  3. Step 3: Cross multiply
    6,330.58x = 9,438.87 × 5,803.66
  4. Step 4: Simplify right side
    6,330.58x = 54,779,992.26
  5. Step 5: Solve for x
    x = 54,779,992.26/6,330.58
  6. Step 6: Final answer
    x = 8,653.23

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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.