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Finding the Fourth Proportional to 62,804.81, 86,670.69 and 34,510.70

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Solution

The fourth proportional to 62,804.81, 86,670.69 and 34,510.70 is: 47,624.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,804.81 : 86,670.69 = 34,510.70 : x
  2. Step 2: Convert to fraction form
    62,804.81/86,670.69 = 34,510.70/x
  3. Step 3: Cross multiply
    62,804.81x = 86,670.69 × 34,510.70
  4. Step 4: Simplify right side
    62,804.81x = 2,991,066,268.64
  5. Step 5: Solve for x
    x = 2,991,066,268.64/62,804.81
  6. Step 6: Final answer
    x = 47,624.79

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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.