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Finding the Fourth Proportional to 5,328.54, 7,300.14 and 5,129.06

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Solution

The fourth proportional to 5,328.54, 7,300.14 and 5,129.06 is: 7,026.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328.54 : 7,300.14 = 5,129.06 : x
  2. Step 2: Convert to fraction form
    5,328.54/7,300.14 = 5,129.06/x
  3. Step 3: Cross multiply
    5,328.54x = 7,300.14 × 5,129.06
  4. Step 4: Simplify right side
    5,328.54x = 37,442,856.07
  5. Step 5: Solve for x
    x = 37,442,856.07/5,328.54
  6. Step 6: Final answer
    x = 7,026.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.