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Finding the Fourth Proportional to 5,390.59, 8,086.01 and 1,494.98

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Solution

The fourth proportional to 5,390.59, 8,086.01 and 1,494.98 is: 2,242.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390.59 : 8,086.01 = 1,494.98 : x
  2. Step 2: Convert to fraction form
    5,390.59/8,086.01 = 1,494.98/x
  3. Step 3: Cross multiply
    5,390.59x = 8,086.01 × 1,494.98
  4. Step 4: Simplify right side
    5,390.59x = 12,088,423.23
  5. Step 5: Solve for x
    x = 12,088,423.23/5,390.59
  6. Step 6: Final answer
    x = 2,242.50

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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.