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Finding the Fourth Proportional to 9,070.92, 13,607.04 and 3,800.64

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Solution

The fourth proportional to 9,070.92, 13,607.04 and 3,800.64 is: 5,701.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,070.92 : 13,607.04 = 3,800.64 : x
  2. Step 2: Convert to fraction form
    9,070.92/13,607.04 = 3,800.64/x
  3. Step 3: Cross multiply
    9,070.92x = 13,607.04 × 3,800.64
  4. Step 4: Simplify right side
    9,070.92x = 51,715,460.51
  5. Step 5: Solve for x
    x = 51,715,460.51/9,070.92
  6. Step 6: Final answer
    x = 5,701.24

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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.