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Finding the Fourth Proportional to 14,894.98, 20,407.99 and 14,710.51

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Solution

The fourth proportional to 14,894.98, 20,407.99 and 14,710.51 is: 20,155.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,894.98 : 20,407.99 = 14,710.51 : x
  2. Step 2: Convert to fraction form
    14,894.98/20,407.99 = 14,710.51/x
  3. Step 3: Cross multiply
    14,894.98x = 20,407.99 × 14,710.51
  4. Step 4: Simplify right side
    14,894.98x = 300,211,940.97
  5. Step 5: Solve for x
    x = 300,211,940.97/14,894.98
  6. Step 6: Final answer
    x = 20,155.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.