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Finding the Fourth Proportional to 60,711.36, 91,101.60 and 48,477.12

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Solution

The fourth proportional to 60,711.36, 91,101.60 and 48,477.12 is: 72,743.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,711.36 : 91,101.60 = 48,477.12 : x
  2. Step 2: Convert to fraction form
    60,711.36/91,101.60 = 48,477.12/x
  3. Step 3: Cross multiply
    60,711.36x = 91,101.60 × 48,477.12
  4. Step 4: Simplify right side
    60,711.36x = 4,416,343,195.39
  5. Step 5: Solve for x
    x = 4,416,343,195.39/60,711.36
  6. Step 6: Final answer
    x = 72,743.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.