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Finding the Fourth Proportional to 7,058.45, 10,586.45 and 2,615.60

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Solution

The fourth proportional to 7,058.45, 10,586.45 and 2,615.60 is: 3,922.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,058.45 : 10,586.45 = 2,615.60 : x
  2. Step 2: Convert to fraction form
    7,058.45/10,586.45 = 2,615.60/x
  3. Step 3: Cross multiply
    7,058.45x = 10,586.45 × 2,615.60
  4. Step 4: Simplify right side
    7,058.45x = 27,689,852.61
  5. Step 5: Solve for x
    x = 27,689,852.61/7,058.45
  6. Step 6: Final answer
    x = 3,922.94

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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.