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Finding the Fourth Proportional to 63,530.34, 87,670.53 and 35,235.42

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Solution

The fourth proportional to 63,530.34, 87,670.53 and 35,235.42 is: 48,624.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,530.34 : 87,670.53 = 35,235.42 : x
  2. Step 2: Convert to fraction form
    63,530.34/87,670.53 = 35,235.42/x
  3. Step 3: Cross multiply
    63,530.34x = 87,670.53 × 35,235.42
  4. Step 4: Simplify right side
    63,530.34x = 3,089,107,946.17
  5. Step 5: Solve for x
    x = 3,089,107,946.17/63,530.34
  6. Step 6: Final answer
    x = 48,624.14

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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.