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Finding the Fourth Proportional to 35,464.80, 48,941.55 and 19,548.90

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Solution

The fourth proportional to 35,464.80, 48,941.55 and 19,548.90 is: 26,977.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,464.80 : 48,941.55 = 19,548.90 : x
  2. Step 2: Convert to fraction form
    35,464.80/48,941.55 = 19,548.90/x
  3. Step 3: Cross multiply
    35,464.80x = 48,941.55 × 19,548.90
  4. Step 4: Simplify right side
    35,464.80x = 956,753,466.80
  5. Step 5: Solve for x
    x = 956,753,466.80/35,464.80
  6. Step 6: Final answer
    x = 26,977.55

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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.