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Finding the Fourth Proportional to 29,775.60, 44,647.20 and 12,247.20

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Solution

The fourth proportional to 29,775.60, 44,647.20 and 12,247.20 is: 18,364.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,775.60 : 44,647.20 = 12,247.20 : x
  2. Step 2: Convert to fraction form
    29,775.60/44,647.20 = 12,247.20/x
  3. Step 3: Cross multiply
    29,775.60x = 44,647.20 × 12,247.20
  4. Step 4: Simplify right side
    29,775.60x = 546,803,187.84
  5. Step 5: Solve for x
    x = 546,803,187.84/29,775.60
  6. Step 6: Final answer
    x = 18,364.14

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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.