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Finding the Fourth Proportional to 46,643.80, 69,965.70 and 23,267.20

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Solution

The fourth proportional to 46,643.80, 69,965.70 and 23,267.20 is: 34,900.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,643.80 : 69,965.70 = 23,267.20 : x
  2. Step 2: Convert to fraction form
    46,643.80/69,965.70 = 23,267.20/x
  3. Step 3: Cross multiply
    46,643.80x = 69,965.70 × 23,267.20
  4. Step 4: Simplify right side
    46,643.80x = 1,627,905,935.04
  5. Step 5: Solve for x
    x = 1,627,905,935.04/46,643.80
  6. Step 6: Final answer
    x = 34,900.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.