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Finding the Fourth Proportional to 62,865, 86,756.13 and 34,570.08

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Solution

The fourth proportional to 62,865, 86,756.13 and 34,570.08 is: 47,708.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,865 : 86,756.13 = 34,570.08 : x
  2. Step 2: Convert to fraction form
    62,865/86,756.13 = 34,570.08/x
  3. Step 3: Cross multiply
    62,865x = 86,756.13 × 34,570.08
  4. Step 4: Simplify right side
    62,865x = 2,999,166,354.59
  5. Step 5: Solve for x
    x = 2,999,166,354.59/62,865
  6. Step 6: Final answer
    x = 47,708.05

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.