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Finding the Fourth Proportional to 56,307.61, 77,615.17 and 44,352.01

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Solution

The fourth proportional to 56,307.61, 77,615.17 and 44,352.01 is: 61,135.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,307.61 : 77,615.17 = 44,352.01 : x
  2. Step 2: Convert to fraction form
    56,307.61/77,615.17 = 44,352.01/x
  3. Step 3: Cross multiply
    56,307.61x = 77,615.17 × 44,352.01
  4. Step 4: Simplify right side
    56,307.61x = 3,442,388,795.99
  5. Step 5: Solve for x
    x = 3,442,388,795.99/56,307.61
  6. Step 6: Final answer
    x = 61,135.41

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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.