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Finding the Fourth Proportional to 8,980.54, 13,471.14 and 4,592.86

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Solution

The fourth proportional to 8,980.54, 13,471.14 and 4,592.86 is: 6,889.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,980.54 : 13,471.14 = 4,592.86 : x
  2. Step 2: Convert to fraction form
    8,980.54/13,471.14 = 4,592.86/x
  3. Step 3: Cross multiply
    8,980.54x = 13,471.14 × 4,592.86
  4. Step 4: Simplify right side
    8,980.54x = 61,871,060.06
  5. Step 5: Solve for x
    x = 61,871,060.06/8,980.54
  6. Step 6: Final answer
    x = 6,889.46

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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.