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Finding the Fourth Proportional to 4,971.96, 7,457.46 and 1,509.24

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Solution

The fourth proportional to 4,971.96, 7,457.46 and 1,509.24 is: 2,263.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,971.96 : 7,457.46 = 1,509.24 : x
  2. Step 2: Convert to fraction form
    4,971.96/7,457.46 = 1,509.24/x
  3. Step 3: Cross multiply
    4,971.96x = 7,457.46 × 1,509.24
  4. Step 4: Simplify right side
    4,971.96x = 11,255,096.93
  5. Step 5: Solve for x
    x = 11,255,096.93/4,971.96
  6. Step 6: Final answer
    x = 2,263.71

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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.