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Finding the Fourth Proportional to 62,805.34, 86,602.26 and 53,240.86

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Solution

The fourth proportional to 62,805.34, 86,602.26 and 53,240.86 is: 73,413.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,805.34 : 86,602.26 = 53,240.86 : x
  2. Step 2: Convert to fraction form
    62,805.34/86,602.26 = 53,240.86/x
  3. Step 3: Cross multiply
    62,805.34x = 86,602.26 × 53,240.86
  4. Step 4: Simplify right side
    62,805.34x = 4,610,778,800.34
  5. Step 5: Solve for x
    x = 4,610,778,800.34/62,805.34
  6. Step 6: Final answer
    x = 73,413.80

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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.