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Finding the Fourth Proportional to 42,543, 63,703.02 and 29,995.11

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Solution

The fourth proportional to 42,543, 63,703.02 and 29,995.11 is: 44,914.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,543 : 63,703.02 = 29,995.11 : x
  2. Step 2: Convert to fraction form
    42,543/63,703.02 = 29,995.11/x
  3. Step 3: Cross multiply
    42,543x = 63,703.02 × 29,995.11
  4. Step 4: Simplify right side
    42,543x = 1,910,779,092.23
  5. Step 5: Solve for x
    x = 1,910,779,092.23/42,543
  6. Step 6: Final answer
    x = 44,914.07

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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.