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Finding the Fourth Proportional to 9,003.69, 13,507.80 and 6,376.34

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Solution

The fourth proportional to 9,003.69, 13,507.80 and 6,376.34 is: 9,566.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,003.69 : 13,507.80 = 6,376.34 : x
  2. Step 2: Convert to fraction form
    9,003.69/13,507.80 = 6,376.34/x
  3. Step 3: Cross multiply
    9,003.69x = 13,507.80 × 6,376.34
  4. Step 4: Simplify right side
    9,003.69x = 86,130,325.45
  5. Step 5: Solve for x
    x = 86,130,325.45/9,003.69
  6. Step 6: Final answer
    x = 9,566.11

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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.