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Finding the Fourth Proportional to 62,901.74, 86,803.16 and 34,607.90

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Solution

The fourth proportional to 62,901.74, 86,803.16 and 34,607.90 is: 47,758.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,901.74 : 86,803.16 = 34,607.90 : x
  2. Step 2: Convert to fraction form
    62,901.74/86,803.16 = 34,607.90/x
  3. Step 3: Cross multiply
    62,901.74x = 86,803.16 × 34,607.90
  4. Step 4: Simplify right side
    62,901.74x = 3,004,075,080.96
  5. Step 5: Solve for x
    x = 3,004,075,080.96/62,901.74
  6. Step 6: Final answer
    x = 47,758.22

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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.