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Finding the Fourth Proportional to 29,263.49, 40,383.49 and 15,834.98

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Solution

The fourth proportional to 29,263.49, 40,383.49 and 15,834.98 is: 21,852.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,263.49 : 40,383.49 = 15,834.98 : x
  2. Step 2: Convert to fraction form
    29,263.49/40,383.49 = 15,834.98/x
  3. Step 3: Cross multiply
    29,263.49x = 40,383.49 × 15,834.98
  4. Step 4: Simplify right side
    29,263.49x = 639,471,756.48
  5. Step 5: Solve for x
    x = 639,471,756.48/29,263.49
  6. Step 6: Final answer
    x = 21,852.20

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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.