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Finding the Fourth Proportional to 14,985.77, 22,471.48 and 7,081.71

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Solution

The fourth proportional to 14,985.77, 22,471.48 and 7,081.71 is: 10,619.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,985.77 : 22,471.48 = 7,081.71 : x
  2. Step 2: Convert to fraction form
    14,985.77/22,471.48 = 7,081.71/x
  3. Step 3: Cross multiply
    14,985.77x = 22,471.48 × 7,081.71
  4. Step 4: Simplify right side
    14,985.77x = 159,136,504.63
  5. Step 5: Solve for x
    x = 159,136,504.63/14,985.77
  6. Step 6: Final answer
    x = 10,619.17

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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.