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Finding the Fourth Proportional to 35,122.56, 48,468.96 and 19,207.20

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Solution

The fourth proportional to 35,122.56, 48,468.96 and 19,207.20 is: 26,505.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,122.56 : 48,468.96 = 19,207.20 : x
  2. Step 2: Convert to fraction form
    35,122.56/48,468.96 = 19,207.20/x
  3. Step 3: Cross multiply
    35,122.56x = 48,468.96 × 19,207.20
  4. Step 4: Simplify right side
    35,122.56x = 930,953,008.51
  5. Step 5: Solve for x
    x = 930,953,008.51/35,122.56
  6. Step 6: Final answer
    x = 26,505.84

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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.