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Finding the Fourth Proportional to 49,889.48, 74,393.13 and 49,444.78

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Solution

The fourth proportional to 49,889.48, 74,393.13 and 49,444.78 is: 73,730.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,889.48 : 74,393.13 = 49,444.78 : x
  2. Step 2: Convert to fraction form
    49,889.48/74,393.13 = 49,444.78/x
  3. Step 3: Cross multiply
    49,889.48x = 74,393.13 × 49,444.78
  4. Step 4: Simplify right side
    49,889.48x = 3,678,351,946.36
  5. Step 5: Solve for x
    x = 3,678,351,946.36/49,889.48
  6. Step 6: Final answer
    x = 73,730.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.