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Finding the Fourth Proportional to 62,897.88, 94,390.57 and 40,656.09

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Solution

The fourth proportional to 62,897.88, 94,390.57 and 40,656.09 is: 61,012.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,897.88 : 94,390.57 = 40,656.09 : x
  2. Step 2: Convert to fraction form
    62,897.88/94,390.57 = 40,656.09/x
  3. Step 3: Cross multiply
    62,897.88x = 94,390.57 × 40,656.09
  4. Step 4: Simplify right side
    62,897.88x = 3,837,551,509.07
  5. Step 5: Solve for x
    x = 3,837,551,509.07/62,897.88
  6. Step 6: Final answer
    x = 61,012.41

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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.