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Finding the Fourth Proportional to 62,944.51, 86,860.71 and 34,264.21

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Solution

The fourth proportional to 62,944.51, 86,860.71 and 34,264.21 is: 47,283.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,944.51 : 86,860.71 = 34,264.21 : x
  2. Step 2: Convert to fraction form
    62,944.51/86,860.71 = 34,264.21/x
  3. Step 3: Cross multiply
    62,944.51x = 86,860.71 × 34,264.21
  4. Step 4: Simplify right side
    62,944.51x = 2,976,213,608.19
  5. Step 5: Solve for x
    x = 2,976,213,608.19/62,944.51
  6. Step 6: Final answer
    x = 47,283.13

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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.