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Finding the Fourth Proportional to 11,020.87, 16,535.87 and 10,547.93

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Solution

The fourth proportional to 11,020.87, 16,535.87 and 10,547.93 is: 15,826.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,020.87 : 16,535.87 = 10,547.93 : x
  2. Step 2: Convert to fraction form
    11,020.87/16,535.87 = 10,547.93/x
  3. Step 3: Cross multiply
    11,020.87x = 16,535.87 × 10,547.93
  4. Step 4: Simplify right side
    11,020.87x = 174,419,146.51
  5. Step 5: Solve for x
    x = 174,419,146.51/11,020.87
  6. Step 6: Final answer
    x = 15,826.26

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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.