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Finding the Fourth Proportional to 35,257.60, 48,655.12 and 19,342.20

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Solution

The fourth proportional to 35,257.60, 48,655.12 and 19,342.20 is: 26,692.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,257.60 : 48,655.12 = 19,342.20 : x
  2. Step 2: Convert to fraction form
    35,257.60/48,655.12 = 19,342.20/x
  3. Step 3: Cross multiply
    35,257.60x = 48,655.12 × 19,342.20
  4. Step 4: Simplify right side
    35,257.60x = 941,097,062.06
  5. Step 5: Solve for x
    x = 941,097,062.06/35,257.60
  6. Step 6: Final answer
    x = 26,692.03

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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.