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Finding the Fourth Proportional to 51,569.88, 77,354.88 and 14,130.27

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Solution

The fourth proportional to 51,569.88, 77,354.88 and 14,130.27 is: 21,195.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,569.88 : 77,354.88 = 14,130.27 : x
  2. Step 2: Convert to fraction form
    51,569.88/77,354.88 = 14,130.27/x
  3. Step 3: Cross multiply
    51,569.88x = 77,354.88 × 14,130.27
  4. Step 4: Simplify right side
    51,569.88x = 1,093,045,340.22
  5. Step 5: Solve for x
    x = 1,093,045,340.22/51,569.88
  6. Step 6: Final answer
    x = 21,195.42

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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.