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Finding the Fourth Proportional to 64,135.77, 88,499.70 and 35,451.56

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Solution

The fourth proportional to 64,135.77, 88,499.70 and 35,451.56 is: 48,918.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,135.77 : 88,499.70 = 35,451.56 : x
  2. Step 2: Convert to fraction form
    64,135.77/88,499.70 = 35,451.56/x
  3. Step 3: Cross multiply
    64,135.77x = 88,499.70 × 35,451.56
  4. Step 4: Simplify right side
    64,135.77x = 3,137,451,804.78
  5. Step 5: Solve for x
    x = 3,137,451,804.78/64,135.77
  6. Step 6: Final answer
    x = 48,918.91

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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.