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Finding the Fourth Proportional to 17,800.32, 26,702.64 and 7,410.72

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Solution

The fourth proportional to 17,800.32, 26,702.64 and 7,410.72 is: 11,116.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,800.32 : 26,702.64 = 7,410.72 : x
  2. Step 2: Convert to fraction form
    17,800.32/26,702.64 = 7,410.72/x
  3. Step 3: Cross multiply
    17,800.32x = 26,702.64 × 7,410.72
  4. Step 4: Simplify right side
    17,800.32x = 197,885,788.30
  5. Step 5: Solve for x
    x = 197,885,788.30/17,800.32
  6. Step 6: Final answer
    x = 11,116.98

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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.