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Finding the Fourth Proportional to 5,134.71, 7,068.76 and 4,899.61

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Solution

The fourth proportional to 5,134.71, 7,068.76 and 4,899.61 is: 6,745.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134.71 : 7,068.76 = 4,899.61 : x
  2. Step 2: Convert to fraction form
    5,134.71/7,068.76 = 4,899.61/x
  3. Step 3: Cross multiply
    5,134.71x = 7,068.76 × 4,899.61
  4. Step 4: Simplify right side
    5,134.71x = 34,634,137.26
  5. Step 5: Solve for x
    x = 34,634,137.26/5,134.71
  6. Step 6: Final answer
    x = 6,745.10

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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.