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Finding the Fourth Proportional to 14,348.88, 19,803.15 and 8,061.24

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Solution

The fourth proportional to 14,348.88, 19,803.15 and 8,061.24 is: 11,125.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,348.88 : 19,803.15 = 8,061.24 : x
  2. Step 2: Convert to fraction form
    14,348.88/19,803.15 = 8,061.24/x
  3. Step 3: Cross multiply
    14,348.88x = 19,803.15 × 8,061.24
  4. Step 4: Simplify right side
    14,348.88x = 159,637,944.91
  5. Step 5: Solve for x
    x = 159,637,944.91/14,348.88
  6. Step 6: Final answer
    x = 11,125.46

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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.