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Finding the Fourth Proportional to 64,307.45, 88,742.22 and 35,625.94

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Solution

The fourth proportional to 64,307.45, 88,742.22 and 35,625.94 is: 49,162.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,307.45 : 88,742.22 = 35,625.94 : x
  2. Step 2: Convert to fraction form
    64,307.45/88,742.22 = 35,625.94/x
  3. Step 3: Cross multiply
    64,307.45x = 88,742.22 × 35,625.94
  4. Step 4: Simplify right side
    64,307.45x = 3,161,525,005.19
  5. Step 5: Solve for x
    x = 3,161,525,005.19/64,307.45
  6. Step 6: Final answer
    x = 49,162.66

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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.