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Finding the Fourth Proportional to 19,607.46, 29,203.64 and 19,511.88

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Solution

The fourth proportional to 19,607.46, 29,203.64 and 19,511.88 is: 29,061.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,607.46 : 29,203.64 = 19,511.88 : x
  2. Step 2: Convert to fraction form
    19,607.46/29,203.64 = 19,511.88/x
  3. Step 3: Cross multiply
    19,607.46x = 29,203.64 × 19,511.88
  4. Step 4: Simplify right side
    19,607.46x = 569,817,821.68
  5. Step 5: Solve for x
    x = 569,817,821.68/19,607.46
  6. Step 6: Final answer
    x = 29,061.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.