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Finding the Fourth Proportional to 40,509.98, 55,903.58 and 22,603.92

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Solution

The fourth proportional to 40,509.98, 55,903.58 and 22,603.92 is: 31,193.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,509.98 : 55,903.58 = 22,603.92 : x
  2. Step 2: Convert to fraction form
    40,509.98/55,903.58 = 22,603.92/x
  3. Step 3: Cross multiply
    40,509.98x = 55,903.58 × 22,603.92
  4. Step 4: Simplify right side
    40,509.98x = 1,263,640,050.03
  5. Step 5: Solve for x
    x = 1,263,640,050.03/40,509.98
  6. Step 6: Final answer
    x = 31,193.30

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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.