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Finding the Fourth Proportional to 4,977.58, 6,876.02 and 4,528.65

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Solution

The fourth proportional to 4,977.58, 6,876.02 and 4,528.65 is: 6,255.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,977.58 : 6,876.02 = 4,528.65 : x
  2. Step 2: Convert to fraction form
    4,977.58/6,876.02 = 4,528.65/x
  3. Step 3: Cross multiply
    4,977.58x = 6,876.02 × 4,528.65
  4. Step 4: Simplify right side
    4,977.58x = 31,139,099.29
  5. Step 5: Solve for x
    x = 31,139,099.29/4,977.58
  6. Step 6: Final answer
    x = 6,255.87

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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.