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Finding the Fourth Proportional to 35,049.96, 48,366.72 and 20,903.04

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Solution

The fourth proportional to 35,049.96, 48,366.72 and 20,903.04 is: 28,844.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,049.96 : 48,366.72 = 20,903.04 : x
  2. Step 2: Convert to fraction form
    35,049.96/48,366.72 = 20,903.04/x
  3. Step 3: Cross multiply
    35,049.96x = 48,366.72 × 20,903.04
  4. Step 4: Simplify right side
    35,049.96x = 1,011,011,482.83
  5. Step 5: Solve for x
    x = 1,011,011,482.83/35,049.96
  6. Step 6: Final answer
    x = 28,844.87

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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.