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Finding the Fourth Proportional to 35,453.80, 48,925.91 and 19,538.11

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Solution

The fourth proportional to 35,453.80, 48,925.91 and 19,538.11 is: 26,962.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,453.80 : 48,925.91 = 19,538.11 : x
  2. Step 2: Convert to fraction form
    35,453.80/48,925.91 = 19,538.11/x
  3. Step 3: Cross multiply
    35,453.80x = 48,925.91 × 19,538.11
  4. Step 4: Simplify right side
    35,453.80x = 955,919,469.11
  5. Step 5: Solve for x
    x = 955,919,469.11/35,453.80
  6. Step 6: Final answer
    x = 26,962.40

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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.