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Finding the Fourth Proportional to 11,152.64, 16,749.77 and 9,818.91

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Solution

The fourth proportional to 11,152.64, 16,749.77 and 9,818.91 is: 14,746.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,152.64 : 16,749.77 = 9,818.91 : x
  2. Step 2: Convert to fraction form
    11,152.64/16,749.77 = 9,818.91/x
  3. Step 3: Cross multiply
    11,152.64x = 16,749.77 × 9,818.91
  4. Step 4: Simplify right side
    11,152.64x = 164,464,435.06
  5. Step 5: Solve for x
    x = 164,464,435.06/11,152.64
  6. Step 6: Final answer
    x = 14,746.68

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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.