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Finding the Fourth Proportional to 65,263.52, 90,063.48 and 35,455.52

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Solution

The fourth proportional to 65,263.52, 90,063.48 and 35,455.52 is: 48,928.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,263.52 : 90,063.48 = 35,455.52 : x
  2. Step 2: Convert to fraction form
    65,263.52/90,063.48 = 35,455.52/x
  3. Step 3: Cross multiply
    65,263.52x = 90,063.48 × 35,455.52
  4. Step 4: Simplify right side
    65,263.52x = 3,193,247,516.41
  5. Step 5: Solve for x
    x = 3,193,247,516.41/65,263.52
  6. Step 6: Final answer
    x = 48,928.52

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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.