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Finding the Fourth Proportional to 37,330.48, 55,989.24 and 12,706.48

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Solution

The fourth proportional to 37,330.48, 55,989.24 and 12,706.48 is: 19,057.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,330.48 : 55,989.24 = 12,706.48 : x
  2. Step 2: Convert to fraction form
    37,330.48/55,989.24 = 12,706.48/x
  3. Step 3: Cross multiply
    37,330.48x = 55,989.24 × 12,706.48
  4. Step 4: Simplify right side
    37,330.48x = 711,426,158.28
  5. Step 5: Solve for x
    x = 711,426,158.28/37,330.48
  6. Step 6: Final answer
    x = 19,057.51

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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.