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Finding the Fourth Proportional to 14,472.94, 19,966.32 and 8,501.92

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Solution

The fourth proportional to 14,472.94, 19,966.32 and 8,501.92 is: 11,728.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,472.94 : 19,966.32 = 8,501.92 : x
  2. Step 2: Convert to fraction form
    14,472.94/19,966.32 = 8,501.92/x
  3. Step 3: Cross multiply
    14,472.94x = 19,966.32 × 8,501.92
  4. Step 4: Simplify right side
    14,472.94x = 169,752,055.33
  5. Step 5: Solve for x
    x = 169,752,055.33/14,472.94
  6. Step 6: Final answer
    x = 11,728.93

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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.