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Finding the Fourth Proportional to 30,569.22, 45,866.79 and 16,702.02

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Solution

The fourth proportional to 30,569.22, 45,866.79 and 16,702.02 is: 25,060.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,569.22 : 45,866.79 = 16,702.02 : x
  2. Step 2: Convert to fraction form
    30,569.22/45,866.79 = 16,702.02/x
  3. Step 3: Cross multiply
    30,569.22x = 45,866.79 × 16,702.02
  4. Step 4: Simplify right side
    30,569.22x = 766,068,043.92
  5. Step 5: Solve for x
    x = 766,068,043.92/30,569.22
  6. Step 6: Final answer
    x = 25,060.11

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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.