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Finding the Fourth Proportional to 67,430.88, 92,804.94 and 49,497.48

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Solution

The fourth proportional to 67,430.88, 92,804.94 and 49,497.48 is: 68,123.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,430.88 : 92,804.94 = 49,497.48 : x
  2. Step 2: Convert to fraction form
    67,430.88/92,804.94 = 49,497.48/x
  3. Step 3: Cross multiply
    67,430.88x = 92,804.94 × 49,497.48
  4. Step 4: Simplify right side
    67,430.88x = 4,593,610,661.55
  5. Step 5: Solve for x
    x = 4,593,610,661.55/67,430.88
  6. Step 6: Final answer
    x = 68,123.25

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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.