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Finding the Fourth Proportional to 27,907.68, 38,475.36 and 23,911.68

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Solution

The fourth proportional to 27,907.68, 38,475.36 and 23,911.68 is: 32,966.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,907.68 : 38,475.36 = 23,911.68 : x
  2. Step 2: Convert to fraction form
    27,907.68/38,475.36 = 23,911.68/x
  3. Step 3: Cross multiply
    27,907.68x = 38,475.36 × 23,911.68
  4. Step 4: Simplify right side
    27,907.68x = 920,010,496.20
  5. Step 5: Solve for x
    x = 920,010,496.20/27,907.68
  6. Step 6: Final answer
    x = 32,966.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.