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Finding the Fourth Proportional to 26,467.68, 39,700.08 and 7,746.96

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Solution

The fourth proportional to 26,467.68, 39,700.08 and 7,746.96 is: 11,620.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,467.68 : 39,700.08 = 7,746.96 : x
  2. Step 2: Convert to fraction form
    26,467.68/39,700.08 = 7,746.96/x
  3. Step 3: Cross multiply
    26,467.68x = 39,700.08 × 7,746.96
  4. Step 4: Simplify right side
    26,467.68x = 307,554,931.76
  5. Step 5: Solve for x
    x = 307,554,931.76/26,467.68
  6. Step 6: Final answer
    x = 11,620.02

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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.