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Finding the Fourth Proportional to 66,969.55, 92,323.48 and 47,844.23

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Solution

The fourth proportional to 66,969.55, 92,323.48 and 47,844.23 is: 65,957.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,969.55 : 92,323.48 = 47,844.23 : x
  2. Step 2: Convert to fraction form
    66,969.55/92,323.48 = 47,844.23/x
  3. Step 3: Cross multiply
    66,969.55x = 92,323.48 × 47,844.23
  4. Step 4: Simplify right side
    66,969.55x = 4,417,145,811.52
  5. Step 5: Solve for x
    x = 4,417,145,811.52/66,969.55
  6. Step 6: Final answer
    x = 65,957.53

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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.