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Finding the Fourth Proportional to 29,649.52, 40,898.52 and 19,577.98

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Solution

The fourth proportional to 29,649.52, 40,898.52 and 19,577.98 is: 27,005.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,649.52 : 40,898.52 = 19,577.98 : x
  2. Step 2: Convert to fraction form
    29,649.52/40,898.52 = 19,577.98/x
  3. Step 3: Cross multiply
    29,649.52x = 40,898.52 × 19,577.98
  4. Step 4: Simplify right side
    29,649.52x = 800,710,406.59
  5. Step 5: Solve for x
    x = 800,710,406.59/29,649.52
  6. Step 6: Final answer
    x = 27,005.85

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1.5x scale

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.