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Finding the Fourth Proportional to 4,975.56, 7,457.19 and 4,360.47

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Solution

The fourth proportional to 4,975.56, 7,457.19 and 4,360.47 is: 6,535.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,975.56 : 7,457.19 = 4,360.47 : x
  2. Step 2: Convert to fraction form
    4,975.56/7,457.19 = 4,360.47/x
  3. Step 3: Cross multiply
    4,975.56x = 7,457.19 × 4,360.47
  4. Step 4: Simplify right side
    4,975.56x = 32,516,853.28
  5. Step 5: Solve for x
    x = 32,516,853.28/4,975.56
  6. Step 6: Final answer
    x = 6,535.32

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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.