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Finding the Fourth Proportional to 7,558.38, 10,428.08 and 4,573.08

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Solution

The fourth proportional to 7,558.38, 10,428.08 and 4,573.08 is: 6,309.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,558.38 : 10,428.08 = 4,573.08 : x
  2. Step 2: Convert to fraction form
    7,558.38/10,428.08 = 4,573.08/x
  3. Step 3: Cross multiply
    7,558.38x = 10,428.08 × 4,573.08
  4. Step 4: Simplify right side
    7,558.38x = 47,688,421.22
  5. Step 5: Solve for x
    x = 47,688,421.22/7,558.38
  6. Step 6: Final answer
    x = 6,309.34

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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.