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Finding the Fourth Proportional to 46,203.78, 69,314.22 and 14,621.78

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Solution

The fourth proportional to 46,203.78, 69,314.22 and 14,621.78 is: 21,935.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,203.78 : 69,314.22 = 14,621.78 : x
  2. Step 2: Convert to fraction form
    46,203.78/69,314.22 = 14,621.78/x
  3. Step 3: Cross multiply
    46,203.78x = 69,314.22 × 14,621.78
  4. Step 4: Simplify right side
    46,203.78x = 1,013,497,275.71
  5. Step 5: Solve for x
    x = 1,013,497,275.71/46,203.78
  6. Step 6: Final answer
    x = 21,935.38

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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.