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Finding the Fourth Proportional to 64,825.88, 97,238.81 and 15,577.88

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Solution

The fourth proportional to 64,825.88, 97,238.81 and 15,577.88 is: 23,366.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,825.88 : 97,238.81 = 15,577.88 : x
  2. Step 2: Convert to fraction form
    64,825.88/97,238.81 = 15,577.88/x
  3. Step 3: Cross multiply
    64,825.88x = 97,238.81 × 15,577.88
  4. Step 4: Simplify right side
    64,825.88x = 1,514,774,513.52
  5. Step 5: Solve for x
    x = 1,514,774,513.52/64,825.88
  6. Step 6: Final answer
    x = 23,366.82

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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.