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Finding the Fourth Proportional to 14,384.79, 19,849.74 and 8,010.90

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Solution

The fourth proportional to 14,384.79, 19,849.74 and 8,010.90 is: 11,054.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,384.79 : 19,849.74 = 8,010.90 : x
  2. Step 2: Convert to fraction form
    14,384.79/19,849.74 = 8,010.90/x
  3. Step 3: Cross multiply
    14,384.79x = 19,849.74 × 8,010.90
  4. Step 4: Simplify right side
    14,384.79x = 159,014,282.17
  5. Step 5: Solve for x
    x = 159,014,282.17/14,384.79
  6. Step 6: Final answer
    x = 11,054.33

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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.