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Finding the Fourth Proportional to 64,537.72, 88,970.07 and 47,511.52

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Solution

The fourth proportional to 64,537.72, 88,970.07 and 47,511.52 is: 65,498.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,537.72 : 88,970.07 = 47,511.52 : x
  2. Step 2: Convert to fraction form
    64,537.72/88,970.07 = 47,511.52/x
  3. Step 3: Cross multiply
    64,537.72x = 88,970.07 × 47,511.52
  4. Step 4: Simplify right side
    64,537.72x = 4,227,103,260.21
  5. Step 5: Solve for x
    x = 4,227,103,260.21/64,537.72
  6. Step 6: Final answer
    x = 65,498.18

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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.