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Finding the Fourth Proportional to 60,889.78, 83,999.32 and 37,000.45

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Solution

The fourth proportional to 60,889.78, 83,999.32 and 37,000.45 is: 51,043.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,889.78 : 83,999.32 = 37,000.45 : x
  2. Step 2: Convert to fraction form
    60,889.78/83,999.32 = 37,000.45/x
  3. Step 3: Cross multiply
    60,889.78x = 83,999.32 × 37,000.45
  4. Step 4: Simplify right side
    60,889.78x = 3,108,012,639.69
  5. Step 5: Solve for x
    x = 3,108,012,639.69/60,889.78
  6. Step 6: Final answer
    x = 51,043.26

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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.