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Finding the Fourth Proportional to 32,490.70, 48,628.05 and 23,580.70

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Solution

The fourth proportional to 32,490.70, 48,628.05 and 23,580.70 is: 35,292.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,490.70 : 48,628.05 = 23,580.70 : x
  2. Step 2: Convert to fraction form
    32,490.70/48,628.05 = 23,580.70/x
  3. Step 3: Cross multiply
    32,490.70x = 48,628.05 × 23,580.70
  4. Step 4: Simplify right side
    32,490.70x = 1,146,683,458.64
  5. Step 5: Solve for x
    x = 1,146,683,458.64/32,490.70
  6. Step 6: Final answer
    x = 35,292.67

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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.