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Finding the Fourth Proportional to 34,703.59, 52,076.80 and 13,639.93

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Solution

The fourth proportional to 34,703.59, 52,076.80 and 13,639.93 is: 20,468.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,703.59 : 52,076.80 = 13,639.93 : x
  2. Step 2: Convert to fraction form
    34,703.59/52,076.80 = 13,639.93/x
  3. Step 3: Cross multiply
    34,703.59x = 52,076.80 × 13,639.93
  4. Step 4: Simplify right side
    34,703.59x = 710,323,708.23
  5. Step 5: Solve for x
    x = 710,323,708.23/34,703.59
  6. Step 6: Final answer
    x = 20,468.31

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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.