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Finding the Fourth Proportional to 19,625.76, 29,230.83 and 19,530.17

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Solution

The fourth proportional to 19,625.76, 29,230.83 and 19,530.17 is: 29,088.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,625.76 : 29,230.83 = 19,530.17 : x
  2. Step 2: Convert to fraction form
    19,625.76/29,230.83 = 19,530.17/x
  3. Step 3: Cross multiply
    19,625.76x = 29,230.83 × 19,530.17
  4. Step 4: Simplify right side
    19,625.76x = 570,883,079.14
  5. Step 5: Solve for x
    x = 570,883,079.14/19,625.76
  6. Step 6: Final answer
    x = 29,088.46

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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.