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Finding the Fourth Proportional to 35,406.86, 48,859.58 and 19,488.24

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Solution

The fourth proportional to 35,406.86, 48,859.58 and 19,488.24 is: 26,892.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,406.86 : 48,859.58 = 19,488.24 : x
  2. Step 2: Convert to fraction form
    35,406.86/48,859.58 = 19,488.24/x
  3. Step 3: Cross multiply
    35,406.86x = 48,859.58 × 19,488.24
  4. Step 4: Simplify right side
    35,406.86x = 952,187,270.06
  5. Step 5: Solve for x
    x = 952,187,270.06/35,406.86
  6. Step 6: Final answer
    x = 26,892.74

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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.