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Finding the Fourth Proportional to 8,405.54, 11,602.32 and 5,050.92

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Solution

The fourth proportional to 8,405.54, 11,602.32 and 5,050.92 is: 6,971.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,405.54 : 11,602.32 = 5,050.92 : x
  2. Step 2: Convert to fraction form
    8,405.54/11,602.32 = 5,050.92/x
  3. Step 3: Cross multiply
    8,405.54x = 11,602.32 × 5,050.92
  4. Step 4: Simplify right side
    8,405.54x = 58,602,390.13
  5. Step 5: Solve for x
    x = 58,602,390.13/8,405.54
  6. Step 6: Final answer
    x = 6,971.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.