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Finding the Fourth Proportional to 35,078.95, 48,400.77 and 21,650.77

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Solution

The fourth proportional to 35,078.95, 48,400.77 and 21,650.77 is: 29,873.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,078.95 : 48,400.77 = 21,650.77 : x
  2. Step 2: Convert to fraction form
    35,078.95/48,400.77 = 21,650.77/x
  3. Step 3: Cross multiply
    35,078.95x = 48,400.77 × 21,650.77
  4. Step 4: Simplify right side
    35,078.95x = 1,047,913,939.09
  5. Step 5: Solve for x
    x = 1,047,913,939.09/35,078.95
  6. Step 6: Final answer
    x = 29,873.01

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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.