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Finding the Fourth Proportional to 65,483.49, 98,225.92 and 52,418.90

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Solution

The fourth proportional to 65,483.49, 98,225.92 and 52,418.90 is: 78,628.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,483.49 : 98,225.92 = 52,418.90 : x
  2. Step 2: Convert to fraction form
    65,483.49/98,225.92 = 52,418.90/x
  3. Step 3: Cross multiply
    65,483.49x = 98,225.92 × 52,418.90
  4. Step 4: Simplify right side
    65,483.49x = 5,148,894,141.60
  5. Step 5: Solve for x
    x = 5,148,894,141.60/65,483.49
  6. Step 6: Final answer
    x = 78,628.89

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1.5x scale

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.