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Finding the Fourth Proportional to 91,880.64, 126,795.36 and 51,598.32

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Solution

The fourth proportional to 91,880.64, 126,795.36 and 51,598.32 is: 71,205.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,880.64 : 126,795.36 = 51,598.32 : x
  2. Step 2: Convert to fraction form
    91,880.64/126,795.36 = 51,598.32/x
  3. Step 3: Cross multiply
    91,880.64x = 126,795.36 × 51,598.32
  4. Step 4: Simplify right side
    91,880.64x = 6,542,427,559.80
  5. Step 5: Solve for x
    x = 6,542,427,559.80/91,880.64
  6. Step 6: Final answer
    x = 71,205.72

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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.