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Finding the Fourth Proportional to 19,695.34, 29,543.40 and 5,655.83

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Solution

The fourth proportional to 19,695.34, 29,543.40 and 5,655.83 is: 8,483.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,695.34 : 29,543.40 = 5,655.83 : x
  2. Step 2: Convert to fraction form
    19,695.34/29,543.40 = 5,655.83/x
  3. Step 3: Cross multiply
    19,695.34x = 29,543.40 × 5,655.83
  4. Step 4: Simplify right side
    19,695.34x = 167,092,300.31
  5. Step 5: Solve for x
    x = 167,092,300.31/19,695.34
  6. Step 6: Final answer
    x = 8,483.85

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.