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Finding the Fourth Proportional to 35,874.40, 49,511.04 and 21,726.88

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Solution

The fourth proportional to 35,874.40, 49,511.04 and 21,726.88 is: 29,985.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,874.40 : 49,511.04 = 21,726.88 : x
  2. Step 2: Convert to fraction form
    35,874.40/49,511.04 = 21,726.88/x
  3. Step 3: Cross multiply
    35,874.40x = 49,511.04 × 21,726.88
  4. Step 4: Simplify right side
    35,874.40x = 1,075,720,424.76
  5. Step 5: Solve for x
    x = 1,075,720,424.76/35,874.40
  6. Step 6: Final answer
    x = 29,985.74

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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.