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Finding the Fourth Proportional to 62,373.72, 86,045.76 and 45,351.60

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Solution

The fourth proportional to 62,373.72, 86,045.76 and 45,351.60 is: 62,563.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,373.72 : 86,045.76 = 45,351.60 : x
  2. Step 2: Convert to fraction form
    62,373.72/86,045.76 = 45,351.60/x
  3. Step 3: Cross multiply
    62,373.72x = 86,045.76 × 45,351.60
  4. Step 4: Simplify right side
    62,373.72x = 3,902,312,889.22
  5. Step 5: Solve for x
    x = 3,902,312,889.22/62,373.72
  6. Step 6: Final answer
    x = 62,563.41

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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.