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Finding the Fourth Proportional to 19,116.68, 28,675.01 and 5,969.09

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Solution

The fourth proportional to 19,116.68, 28,675.01 and 5,969.09 is: 8,953.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,116.68 : 28,675.01 = 5,969.09 : x
  2. Step 2: Convert to fraction form
    19,116.68/28,675.01 = 5,969.09/x
  3. Step 3: Cross multiply
    19,116.68x = 28,675.01 × 5,969.09
  4. Step 4: Simplify right side
    19,116.68x = 171,163,802.05
  5. Step 5: Solve for x
    x = 171,163,802.05/19,116.68
  6. Step 6: Final answer
    x = 8,953.64

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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.