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Finding the Fourth Proportional to 62,699.55, 86,525.36 and 35,842.63

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Solution

The fourth proportional to 62,699.55, 86,525.36 and 35,842.63 is: 49,462.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,699.55 : 86,525.36 = 35,842.63 : x
  2. Step 2: Convert to fraction form
    62,699.55/86,525.36 = 35,842.63/x
  3. Step 3: Cross multiply
    62,699.55x = 86,525.36 × 35,842.63
  4. Step 4: Simplify right side
    62,699.55x = 3,101,296,464.10
  5. Step 5: Solve for x
    x = 3,101,296,464.10/62,699.55
  6. Step 6: Final answer
    x = 49,462.82

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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.