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Finding the Fourth Proportional to 6,653.43, 9,973.67 and 6,374.79

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Solution

The fourth proportional to 6,653.43, 9,973.67 and 6,374.79 is: 9,555.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,653.43 : 9,973.67 = 6,374.79 : x
  2. Step 2: Convert to fraction form
    6,653.43/9,973.67 = 6,374.79/x
  3. Step 3: Cross multiply
    6,653.43x = 9,973.67 × 6,374.79
  4. Step 4: Simplify right side
    6,653.43x = 63,580,019.91
  5. Step 5: Solve for x
    x = 63,580,019.91/6,653.43
  6. Step 6: Final answer
    x = 9,555.98

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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.