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Finding the Fourth Proportional to 14,363.91, 21,523.86 and 9,666.51

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Solution

The fourth proportional to 14,363.91, 21,523.86 and 9,666.51 is: 14,484.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,363.91 : 21,523.86 = 9,666.51 : x
  2. Step 2: Convert to fraction form
    14,363.91/21,523.86 = 9,666.51/x
  3. Step 3: Cross multiply
    14,363.91x = 21,523.86 × 9,666.51
  4. Step 4: Simplify right side
    14,363.91x = 208,060,607.93
  5. Step 5: Solve for x
    x = 208,060,607.93/14,363.91
  6. Step 6: Final answer
    x = 14,484.96

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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.