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Finding the Fourth Proportional to 27,820.12, 41,736.54 and 9,352.12

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Solution

The fourth proportional to 27,820.12, 41,736.54 and 9,352.12 is: 14,030.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,820.12 : 41,736.54 = 9,352.12 : x
  2. Step 2: Convert to fraction form
    27,820.12/41,736.54 = 9,352.12/x
  3. Step 3: Cross multiply
    27,820.12x = 41,736.54 × 9,352.12
  4. Step 4: Simplify right side
    27,820.12x = 390,325,130.46
  5. Step 5: Solve for x
    x = 390,325,130.46/27,820.12
  6. Step 6: Final answer
    x = 14,030.32

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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.