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Finding the Fourth Proportional to 61,859.84, 85,338.24 and 36,700.16

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Solution

The fourth proportional to 61,859.84, 85,338.24 and 36,700.16 is: 50,629.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,859.84 : 85,338.24 = 36,700.16 : x
  2. Step 2: Convert to fraction form
    61,859.84/85,338.24 = 36,700.16/x
  3. Step 3: Cross multiply
    61,859.84x = 85,338.24 × 36,700.16
  4. Step 4: Simplify right side
    61,859.84x = 3,131,927,062.12
  5. Step 5: Solve for x
    x = 3,131,927,062.12/61,859.84
  6. Step 6: Final answer
    x = 50,629.41

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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.