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Finding the Fourth Proportional to 64,443.04, 96,625.73 and 28,897.93

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Solution

The fourth proportional to 64,443.04, 96,625.73 and 28,897.93 is: 43,329.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,443.04 : 96,625.73 = 28,897.93 : x
  2. Step 2: Convert to fraction form
    64,443.04/96,625.73 = 28,897.93/x
  3. Step 3: Cross multiply
    64,443.04x = 96,625.73 × 28,897.93
  4. Step 4: Simplify right side
    64,443.04x = 2,792,283,581.74
  5. Step 5: Solve for x
    x = 2,792,283,581.74/64,443.04
  6. Step 6: Final answer
    x = 43,329.48

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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.