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Finding the Fourth Proportional to 51,963.80, 77,953.90 and 16,895.26

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Solution

The fourth proportional to 51,963.80, 77,953.90 and 16,895.26 is: 25,345.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,963.80 : 77,953.90 = 16,895.26 : x
  2. Step 2: Convert to fraction form
    51,963.80/77,953.90 = 16,895.26/x
  3. Step 3: Cross multiply
    51,963.80x = 77,953.90 × 16,895.26
  4. Step 4: Simplify right side
    51,963.80x = 1,317,051,408.51
  5. Step 5: Solve for x
    x = 1,317,051,408.51/51,963.80
  6. Step 6: Final answer
    x = 25,345.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.