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Finding the Fourth Proportional to 56,466.63, 84,746.52 and 28,394.67

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Solution

The fourth proportional to 56,466.63, 84,746.52 and 28,394.67 is: 42,615.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,466.63 : 84,746.52 = 28,394.67 : x
  2. Step 2: Convert to fraction form
    56,466.63/84,746.52 = 28,394.67/x
  3. Step 3: Cross multiply
    56,466.63x = 84,746.52 × 28,394.67
  4. Step 4: Simplify right side
    56,466.63x = 2,406,349,469.05
  5. Step 5: Solve for x
    x = 2,406,349,469.05/56,466.63
  6. Step 6: Final answer
    x = 42,615.43

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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.