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Finding the Fourth Proportional to 35,348.81, 48,745.19 and 23,407.79

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Solution

The fourth proportional to 35,348.81, 48,745.19 and 23,407.79 is: 32,278.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,348.81 : 48,745.19 = 23,407.79 : x
  2. Step 2: Convert to fraction form
    35,348.81/48,745.19 = 23,407.79/x
  3. Step 3: Cross multiply
    35,348.81x = 48,745.19 × 23,407.79
  4. Step 4: Simplify right side
    35,348.81x = 1,141,016,985.82
  5. Step 5: Solve for x
    x = 1,141,016,985.82/35,348.81
  6. Step 6: Final answer
    x = 32,278.80

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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.