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Finding the Fourth Proportional to 62,907.59, 86,814.87 and 36,055.28

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Solution

The fourth proportional to 62,907.59, 86,814.87 and 36,055.28 is: 49,757.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,907.59 : 86,814.87 = 36,055.28 : x
  2. Step 2: Convert to fraction form
    62,907.59/86,814.87 = 36,055.28/x
  3. Step 3: Cross multiply
    62,907.59x = 86,814.87 × 36,055.28
  4. Step 4: Simplify right side
    62,907.59x = 3,130,134,527.84
  5. Step 5: Solve for x
    x = 3,130,134,527.84/62,907.59
  6. Step 6: Final answer
    x = 49,757.66

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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.