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Finding the Fourth Proportional to 5,596.32, 7,739.64 and 4,915.92

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Solution

The fourth proportional to 5,596.32, 7,739.64 and 4,915.92 is: 6,798.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,596.32 : 7,739.64 = 4,915.92 : x
  2. Step 2: Convert to fraction form
    5,596.32/7,739.64 = 4,915.92/x
  3. Step 3: Cross multiply
    5,596.32x = 7,739.64 × 4,915.92
  4. Step 4: Simplify right side
    5,596.32x = 38,047,451.07
  5. Step 5: Solve for x
    x = 38,047,451.07/5,596.32
  6. Step 6: Final answer
    x = 6,798.66

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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.