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Finding the Fourth Proportional to 26,712.58, 40,071.54 and 9,180.10

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Solution

The fourth proportional to 26,712.58, 40,071.54 and 9,180.10 is: 13,771.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,712.58 : 40,071.54 = 9,180.10 : x
  2. Step 2: Convert to fraction form
    26,712.58/40,071.54 = 9,180.10/x
  3. Step 3: Cross multiply
    26,712.58x = 40,071.54 × 9,180.10
  4. Step 4: Simplify right side
    26,712.58x = 367,860,744.35
  5. Step 5: Solve for x
    x = 367,860,744.35/26,712.58
  6. Step 6: Final answer
    x = 13,771.07

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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.