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Finding the Fourth Proportional to 27,813.08, 41,646.72 and 19,065.08

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Solution

The fourth proportional to 27,813.08, 41,646.72 and 19,065.08 is: 28,547.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,813.08 : 41,646.72 = 19,065.08 : x
  2. Step 2: Convert to fraction form
    27,813.08/41,646.72 = 19,065.08/x
  3. Step 3: Cross multiply
    27,813.08x = 41,646.72 × 19,065.08
  4. Step 4: Simplify right side
    27,813.08x = 793,998,048.54
  5. Step 5: Solve for x
    x = 793,998,048.54/27,813.08
  6. Step 6: Final answer
    x = 28,547.65

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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.