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Finding the Fourth Proportional to 65,667.34, 90,625.34 and 36,600.23

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Solution

The fourth proportional to 65,667.34, 90,625.34 and 36,600.23 is: 50,510.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,667.34 : 90,625.34 = 36,600.23 : x
  2. Step 2: Convert to fraction form
    65,667.34/90,625.34 = 36,600.23/x
  3. Step 3: Cross multiply
    65,667.34x = 90,625.34 × 36,600.23
  4. Step 4: Simplify right side
    65,667.34x = 3,316,908,196.33
  5. Step 5: Solve for x
    x = 3,316,908,196.33/65,667.34
  6. Step 6: Final answer
    x = 50,510.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.