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Finding the Fourth Proportional to 8,858.54, 13,293.95 and 5,730.76

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Solution

The fourth proportional to 8,858.54, 13,293.95 and 5,730.76 is: 8,600.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,858.54 : 13,293.95 = 5,730.76 : x
  2. Step 2: Convert to fraction form
    8,858.54/13,293.95 = 5,730.76/x
  3. Step 3: Cross multiply
    8,858.54x = 13,293.95 × 5,730.76
  4. Step 4: Simplify right side
    8,858.54x = 76,184,436.90
  5. Step 5: Solve for x
    x = 76,184,436.90/8,858.54
  6. Step 6: Final answer
    x = 8,600.11

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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.