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Finding the Fourth Proportional to 64,245.80, 88,656.32 and 35,566.53

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Solution

The fourth proportional to 64,245.80, 88,656.32 and 35,566.53 is: 49,080.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,245.80 : 88,656.32 = 35,566.53 : x
  2. Step 2: Convert to fraction form
    64,245.80/88,656.32 = 35,566.53/x
  3. Step 3: Cross multiply
    64,245.80x = 88,656.32 × 35,566.53
  4. Step 4: Simplify right side
    64,245.80x = 3,153,197,487.14
  5. Step 5: Solve for x
    x = 3,153,197,487.14/64,245.80
  6. Step 6: Final answer
    x = 49,080.22

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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.