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Finding the Fourth Proportional to 9,925.60, 14,899.20 and 5,551.60

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Solution

The fourth proportional to 9,925.60, 14,899.20 and 5,551.60 is: 8,333.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,925.60 : 14,899.20 = 5,551.60 : x
  2. Step 2: Convert to fraction form
    9,925.60/14,899.20 = 5,551.60/x
  3. Step 3: Cross multiply
    9,925.60x = 14,899.20 × 5,551.60
  4. Step 4: Simplify right side
    9,925.60x = 82,714,398.72
  5. Step 5: Solve for x
    x = 82,714,398.72/9,925.60
  6. Step 6: Final answer
    x = 8,333.44

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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.