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Finding the Fourth Proportional to 9,309.57, 13,973.58 and 7,575.03

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Solution

The fourth proportional to 9,309.57, 13,973.58 and 7,575.03 is: 11,370.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,309.57 : 13,973.58 = 7,575.03 : x
  2. Step 2: Convert to fraction form
    9,309.57/13,973.58 = 7,575.03/x
  3. Step 3: Cross multiply
    9,309.57x = 13,973.58 × 7,575.03
  4. Step 4: Simplify right side
    9,309.57x = 105,850,287.71
  5. Step 5: Solve for x
    x = 105,850,287.71/9,309.57
  6. Step 6: Final answer
    x = 11,370.05

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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.