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Finding the Fourth Proportional to 5,557.58, 8,345.92 and 4,934.28

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Solution

The fourth proportional to 5,557.58, 8,345.92 and 4,934.28 is: 7,409.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,557.58 : 8,345.92 = 4,934.28 : x
  2. Step 2: Convert to fraction form
    5,557.58/8,345.92 = 4,934.28/x
  3. Step 3: Cross multiply
    5,557.58x = 8,345.92 × 4,934.28
  4. Step 4: Simplify right side
    5,557.58x = 41,181,106.14
  5. Step 5: Solve for x
    x = 41,181,106.14/5,557.58
  6. Step 6: Final answer
    x = 7,409.90

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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.