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Finding the Fourth Proportional to 65,011.26, 89,715.52 and 35,203.26

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Solution

The fourth proportional to 65,011.26, 89,715.52 and 35,203.26 is: 48,580.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,011.26 : 89,715.52 = 35,203.26 : x
  2. Step 2: Convert to fraction form
    65,011.26/89,715.52 = 35,203.26/x
  3. Step 3: Cross multiply
    65,011.26x = 89,715.52 × 35,203.26
  4. Step 4: Simplify right side
    65,011.26x = 3,158,278,776.60
  5. Step 5: Solve for x
    x = 3,158,278,776.60/65,011.26
  6. Step 6: Final answer
    x = 48,580.49

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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.