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Finding the Fourth Proportional to 29,477.60, 44,201.20 and 8,698.40

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Solution

The fourth proportional to 29,477.60, 44,201.20 and 8,698.40 is: 13,043.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,477.60 : 44,201.20 = 8,698.40 : x
  2. Step 2: Convert to fraction form
    29,477.60/44,201.20 = 8,698.40/x
  3. Step 3: Cross multiply
    29,477.60x = 44,201.20 × 8,698.40
  4. Step 4: Simplify right side
    29,477.60x = 384,479,718.08
  5. Step 5: Solve for x
    x = 384,479,718.08/29,477.60
  6. Step 6: Final answer
    x = 13,043.11

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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.