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Finding the Fourth Proportional to 10,578, 14,597.64 and 5,862.60

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Solution

The fourth proportional to 10,578, 14,597.64 and 5,862.60 is: 8,090.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,578 : 14,597.64 = 5,862.60 : x
  2. Step 2: Convert to fraction form
    10,578/14,597.64 = 5,862.60/x
  3. Step 3: Cross multiply
    10,578x = 14,597.64 × 5,862.60
  4. Step 4: Simplify right side
    10,578x = 85,580,124.26
  5. Step 5: Solve for x
    x = 85,580,124.26/10,578
  6. Step 6: Final answer
    x = 8,090.39

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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.