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Finding the Fourth Proportional to 58,803, 81,148.14 and 31,945.56

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Solution

The fourth proportional to 58,803, 81,148.14 and 31,945.56 is: 44,084.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,803 : 81,148.14 = 31,945.56 : x
  2. Step 2: Convert to fraction form
    58,803/81,148.14 = 31,945.56/x
  3. Step 3: Cross multiply
    58,803x = 81,148.14 × 31,945.56
  4. Step 4: Simplify right side
    58,803x = 2,592,322,775.26
  5. Step 5: Solve for x
    x = 2,592,322,775.26/58,803
  6. Step 6: Final answer
    x = 44,084.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.