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Finding the Fourth Proportional to 58,466.37, 80,630.64 and 38,316

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Solution

The fourth proportional to 58,466.37, 80,630.64 and 38,316 is: 52,841.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,466.37 : 80,630.64 = 38,316 : x
  2. Step 2: Convert to fraction form
    58,466.37/80,630.64 = 38,316/x
  3. Step 3: Cross multiply
    58,466.37x = 80,630.64 × 38,316
  4. Step 4: Simplify right side
    58,466.37x = 3,089,443,602.24
  5. Step 5: Solve for x
    x = 3,089,443,602.24/58,466.37
  6. Step 6: Final answer
    x = 52,841.38

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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.