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Finding the Fourth Proportional to 10,580.70, 15,870.90 and 3,562.26

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Solution

The fourth proportional to 10,580.70, 15,870.90 and 3,562.26 is: 5,343.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,580.70 : 15,870.90 = 3,562.26 : x
  2. Step 2: Convert to fraction form
    10,580.70/15,870.90 = 3,562.26/x
  3. Step 3: Cross multiply
    10,580.70x = 15,870.90 × 3,562.26
  4. Step 4: Simplify right side
    10,580.70x = 56,536,272.23
  5. Step 5: Solve for x
    x = 56,536,272.23/10,580.70
  6. Step 6: Final answer
    x = 5,343.34

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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.