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Finding the Fourth Proportional to 19,006.77, 28,492.51 and 9,016.20

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Solution

The fourth proportional to 19,006.77, 28,492.51 and 9,016.20 is: 13,515.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,006.77 : 28,492.51 = 9,016.20 : x
  2. Step 2: Convert to fraction form
    19,006.77/28,492.51 = 9,016.20/x
  3. Step 3: Cross multiply
    19,006.77x = 28,492.51 × 9,016.20
  4. Step 4: Simplify right side
    19,006.77x = 256,894,145.50
  5. Step 5: Solve for x
    x = 256,894,145.50/19,006.77
  6. Step 6: Final answer
    x = 13,515.93

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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.