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Finding the Fourth Proportional to 6,667.11, 10,000.64 and 6,334.53

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Solution

The fourth proportional to 6,667.11, 10,000.64 and 6,334.53 is: 9,501.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,667.11 : 10,000.64 = 6,334.53 : x
  2. Step 2: Convert to fraction form
    6,667.11/10,000.64 = 6,334.53/x
  3. Step 3: Cross multiply
    6,667.11x = 10,000.64 × 6,334.53
  4. Step 4: Simplify right side
    6,667.11x = 63,349,342.74
  5. Step 5: Solve for x
    x = 63,349,342.74/6,667.11
  6. Step 6: Final answer
    x = 9,501.77

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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.