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Finding the Fourth Proportional to 35,543.55, 49,053 and 20,441.10

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Solution

The fourth proportional to 35,543.55, 49,053 and 20,441.10 is: 28,210.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,543.55 : 49,053 = 20,441.10 : x
  2. Step 2: Convert to fraction form
    35,543.55/49,053 = 20,441.10/x
  3. Step 3: Cross multiply
    35,543.55x = 49,053 × 20,441.10
  4. Step 4: Simplify right side
    35,543.55x = 1,002,697,278.30
  5. Step 5: Solve for x
    x = 1,002,697,278.30/35,543.55
  6. Step 6: Final answer
    x = 28,210.39

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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.