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Finding the Fourth Proportional to 8,941.93, 12,339.95 and 4,963.41

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Solution

The fourth proportional to 8,941.93, 12,339.95 and 4,963.41 is: 6,849.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,941.93 : 12,339.95 = 4,963.41 : x
  2. Step 2: Convert to fraction form
    8,941.93/12,339.95 = 4,963.41/x
  3. Step 3: Cross multiply
    8,941.93x = 12,339.95 × 4,963.41
  4. Step 4: Simplify right side
    8,941.93x = 61,248,206.41
  5. Step 5: Solve for x
    x = 61,248,206.41/8,941.93
  6. Step 6: Final answer
    x = 6,849.55

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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.