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Finding the Fourth Proportional to 29,670.57, 44,505.79 and 7,485.68

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Solution

The fourth proportional to 29,670.57, 44,505.79 and 7,485.68 is: 11,228.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,670.57 : 44,505.79 = 7,485.68 : x
  2. Step 2: Convert to fraction form
    29,670.57/44,505.79 = 7,485.68/x
  3. Step 3: Cross multiply
    29,670.57x = 44,505.79 × 7,485.68
  4. Step 4: Simplify right side
    29,670.57x = 333,156,194.64
  5. Step 5: Solve for x
    x = 333,156,194.64/29,670.57
  6. Step 6: Final answer
    x = 11,228.51

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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.