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Finding the Fourth Proportional to 5,045.70, 7,568.55 and 4,964.70

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Solution

The fourth proportional to 5,045.70, 7,568.55 and 4,964.70 is: 7,447.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,045.70 : 7,568.55 = 4,964.70 : x
  2. Step 2: Convert to fraction form
    5,045.70/7,568.55 = 4,964.70/x
  3. Step 3: Cross multiply
    5,045.70x = 7,568.55 × 4,964.70
  4. Step 4: Simplify right side
    5,045.70x = 37,575,580.19
  5. Step 5: Solve for x
    x = 37,575,580.19/5,045.70
  6. Step 6: Final answer
    x = 7,447.05

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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.