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Finding the Fourth Proportional to 62,655.95, 86,465.32 and 34,361.84

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Solution

The fourth proportional to 62,655.95, 86,465.32 and 34,361.84 is: 47,419.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,655.95 : 86,465.32 = 34,361.84 : x
  2. Step 2: Convert to fraction form
    62,655.95/86,465.32 = 34,361.84/x
  3. Step 3: Cross multiply
    62,655.95x = 86,465.32 × 34,361.84
  4. Step 4: Simplify right side
    62,655.95x = 2,971,106,973.16
  5. Step 5: Solve for x
    x = 2,971,106,973.16/62,655.95
  6. Step 6: Final answer
    x = 47,419.39

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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.