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Finding the Fourth Proportional to 14,594.95, 20,141.06 and 8,629.57

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Solution

The fourth proportional to 14,594.95, 20,141.06 and 8,629.57 is: 11,908.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,594.95 : 20,141.06 = 8,629.57 : x
  2. Step 2: Convert to fraction form
    14,594.95/20,141.06 = 8,629.57/x
  3. Step 3: Cross multiply
    14,594.95x = 20,141.06 × 8,629.57
  4. Step 4: Simplify right side
    14,594.95x = 173,808,580.15
  5. Step 5: Solve for x
    x = 173,808,580.15/14,594.95
  6. Step 6: Final answer
    x = 11,908.82

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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.