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Finding the Fourth Proportional to 35,670.72, 53,503.92 and 9,374.88

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Solution

The fourth proportional to 35,670.72, 53,503.92 and 9,374.88 is: 14,061.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,670.72 : 53,503.92 = 9,374.88 : x
  2. Step 2: Convert to fraction form
    35,670.72/53,503.92 = 9,374.88/x
  3. Step 3: Cross multiply
    35,670.72x = 53,503.92 × 9,374.88
  4. Step 4: Simplify right side
    35,670.72x = 501,592,829.53
  5. Step 5: Solve for x
    x = 501,592,829.53/35,670.72
  6. Step 6: Final answer
    x = 14,061.75

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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.