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Finding the Fourth Proportional to 14,027.86, 19,359.02 and 8,061.40

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Solution

The fourth proportional to 14,027.86, 19,359.02 and 8,061.40 is: 11,125.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,027.86 : 19,359.02 = 8,061.40 : x
  2. Step 2: Convert to fraction form
    14,027.86/19,359.02 = 8,061.40/x
  3. Step 3: Cross multiply
    14,027.86x = 19,359.02 × 8,061.40
  4. Step 4: Simplify right side
    14,027.86x = 156,060,803.83
  5. Step 5: Solve for x
    x = 156,060,803.83/14,027.86
  6. Step 6: Final answer
    x = 11,125.06

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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.