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Finding the Fourth Proportional to 66,982.37, 92,430.59 and 36,762.89

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Solution

The fourth proportional to 66,982.37, 92,430.59 and 36,762.89 is: 50,729.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,982.37 : 92,430.59 = 36,762.89 : x
  2. Step 2: Convert to fraction form
    66,982.37/92,430.59 = 36,762.89/x
  3. Step 3: Cross multiply
    66,982.37x = 92,430.59 × 36,762.89
  4. Step 4: Simplify right side
    66,982.37x = 3,398,014,966.84
  5. Step 5: Solve for x
    x = 3,398,014,966.84/66,982.37
  6. Step 6: Final answer
    x = 50,729.99

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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.