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Finding the Fourth Proportional to 5,059.28, 7,008.92 and 4,938.32

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Solution

The fourth proportional to 5,059.28, 7,008.92 and 4,938.32 is: 6,841.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,059.28 : 7,008.92 = 4,938.32 : x
  2. Step 2: Convert to fraction form
    5,059.28/7,008.92 = 4,938.32/x
  3. Step 3: Cross multiply
    5,059.28x = 7,008.92 × 4,938.32
  4. Step 4: Simplify right side
    5,059.28x = 34,612,289.81
  5. Step 5: Solve for x
    x = 34,612,289.81/5,059.28
  6. Step 6: Final answer
    x = 6,841.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.