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Finding the Fourth Proportional to 47,718.99, 65,901.20 and 35,763.39

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Solution

The fourth proportional to 47,718.99, 65,901.20 and 35,763.39 is: 49,390.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,718.99 : 65,901.20 = 35,763.39 : x
  2. Step 2: Convert to fraction form
    47,718.99/65,901.20 = 35,763.39/x
  3. Step 3: Cross multiply
    47,718.99x = 65,901.20 × 35,763.39
  4. Step 4: Simplify right side
    47,718.99x = 2,356,850,138.25
  5. Step 5: Solve for x
    x = 2,356,850,138.25/47,718.99
  6. Step 6: Final answer
    x = 49,390.19

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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.