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Finding the Fourth Proportional to 29,803.63, 41,147.04 and 19,740.70

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Solution

The fourth proportional to 29,803.63, 41,147.04 and 19,740.70 is: 27,254.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,803.63 : 41,147.04 = 19,740.70 : x
  2. Step 2: Convert to fraction form
    29,803.63/41,147.04 = 19,740.70/x
  3. Step 3: Cross multiply
    29,803.63x = 41,147.04 × 19,740.70
  4. Step 4: Simplify right side
    29,803.63x = 812,271,372.53
  5. Step 5: Solve for x
    x = 812,271,372.53/29,803.63
  6. Step 6: Final answer
    x = 27,254.11

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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.