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Finding the Fourth Proportional to 8,502.36, 12,707.96 and 7,667.52

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Solution

The fourth proportional to 8,502.36, 12,707.96 and 7,667.52 is: 11,460.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,502.36 : 12,707.96 = 7,667.52 : x
  2. Step 2: Convert to fraction form
    8,502.36/12,707.96 = 7,667.52/x
  3. Step 3: Cross multiply
    8,502.36x = 12,707.96 × 7,667.52
  4. Step 4: Simplify right side
    8,502.36x = 97,438,537.46
  5. Step 5: Solve for x
    x = 97,438,537.46/8,502.36
  6. Step 6: Final answer
    x = 11,460.18

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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.