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Finding the Fourth Proportional to 35,357.55, 48,795.53 and 19,443.21

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Solution

The fourth proportional to 35,357.55, 48,795.53 and 19,443.21 is: 26,832.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,357.55 : 48,795.53 = 19,443.21 : x
  2. Step 2: Convert to fraction form
    35,357.55/48,795.53 = 19,443.21/x
  3. Step 3: Cross multiply
    35,357.55x = 48,795.53 × 19,443.21
  4. Step 4: Simplify right side
    35,357.55x = 948,741,639.64
  5. Step 5: Solve for x
    x = 948,741,639.64/35,357.55
  6. Step 6: Final answer
    x = 26,832.79

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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.