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Finding the Fourth Proportional to 69,547.08, 104,319.54 and 27,993

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Solution

The fourth proportional to 69,547.08, 104,319.54 and 27,993 is: 41,989.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,547.08 : 104,319.54 = 27,993 : x
  2. Step 2: Convert to fraction form
    69,547.08/104,319.54 = 27,993/x
  3. Step 3: Cross multiply
    69,547.08x = 104,319.54 × 27,993
  4. Step 4: Simplify right side
    69,547.08x = 2,920,216,883.22
  5. Step 5: Solve for x
    x = 2,920,216,883.22/69,547.08
  6. Step 6: Final answer
    x = 41,989.07

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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.