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Finding the Fourth Proportional to 64,261.24, 88,681.71 and 35,966.86

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Solution

The fourth proportional to 64,261.24, 88,681.71 and 35,966.86 is: 49,634.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,261.24 : 88,681.71 = 35,966.86 : x
  2. Step 2: Convert to fraction form
    64,261.24/88,681.71 = 35,966.86/x
  3. Step 3: Cross multiply
    64,261.24x = 88,681.71 × 35,966.86
  4. Step 4: Simplify right side
    64,261.24x = 3,189,602,648.13
  5. Step 5: Solve for x
    x = 3,189,602,648.13/64,261.24
  6. Step 6: Final answer
    x = 49,634.94

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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.