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Finding the Fourth Proportional to 64,057.12, 88,398.80 and 35,762.80

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Solution

The fourth proportional to 64,057.12, 88,398.80 and 35,762.80 is: 49,352.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,057.12 : 88,398.80 = 35,762.80 : x
  2. Step 2: Convert to fraction form
    64,057.12/88,398.80 = 35,762.80/x
  3. Step 3: Cross multiply
    64,057.12x = 88,398.80 × 35,762.80
  4. Step 4: Simplify right side
    64,057.12x = 3,161,388,604.64
  5. Step 5: Solve for x
    x = 3,161,388,604.64/64,057.12
  6. Step 6: Final answer
    x = 49,352.65

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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.