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Finding the Fourth Proportional to 64,048.12, 88,390.50 and 35,753.80

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Solution

The fourth proportional to 64,048.12, 88,390.50 and 35,753.80 is: 49,342.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,048.12 : 88,390.50 = 35,753.80 : x
  2. Step 2: Convert to fraction form
    64,048.12/88,390.50 = 35,753.80/x
  3. Step 3: Cross multiply
    64,048.12x = 88,390.50 × 35,753.80
  4. Step 4: Simplify right side
    64,048.12x = 3,160,296,258.90
  5. Step 5: Solve for x
    x = 3,160,296,258.90/64,048.12
  6. Step 6: Final answer
    x = 49,342.53

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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.