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Finding the Fourth Proportional to 62,941, 86,858.60 and 34,646.68

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Solution

The fourth proportional to 62,941, 86,858.60 and 34,646.68 is: 47,812.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,941 : 86,858.60 = 34,646.68 : x
  2. Step 2: Convert to fraction form
    62,941/86,858.60 = 34,646.68/x
  3. Step 3: Cross multiply
    62,941x = 86,858.60 × 34,646.68
  4. Step 4: Simplify right side
    62,941x = 3,009,362,119.45
  5. Step 5: Solve for x
    x = 3,009,362,119.45/62,941
  6. Step 6: Final answer
    x = 47,812.43

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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.