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Finding the Fourth Proportional to 5,675.40, 8,513.28 and 4,848.48

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Solution

The fourth proportional to 5,675.40, 8,513.28 and 4,848.48 is: 7,272.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,675.40 : 8,513.28 = 4,848.48 : x
  2. Step 2: Convert to fraction form
    5,675.40/8,513.28 = 4,848.48/x
  3. Step 3: Cross multiply
    5,675.40x = 8,513.28 × 4,848.48
  4. Step 4: Simplify right side
    5,675.40x = 41,276,467.81
  5. Step 5: Solve for x
    x = 41,276,467.81/5,675.40
  6. Step 6: Final answer
    x = 7,272.87

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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.