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Finding the Fourth Proportional to 71,592.04, 98,794.24 and 39,762.96

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Solution

The fourth proportional to 71,592.04, 98,794.24 and 39,762.96 is: 54,871.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,592.04 : 98,794.24 = 39,762.96 : x
  2. Step 2: Convert to fraction form
    71,592.04/98,794.24 = 39,762.96/x
  3. Step 3: Cross multiply
    71,592.04x = 98,794.24 × 39,762.96
  4. Step 4: Simplify right side
    71,592.04x = 3,928,351,413.35
  5. Step 5: Solve for x
    x = 3,928,351,413.35/71,592.04
  6. Step 6: Final answer
    x = 54,871.34

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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.