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Finding the Fourth Proportional to 65,045.52, 89,762.52 and 35,237.52

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Solution

The fourth proportional to 65,045.52, 89,762.52 and 35,237.52 is: 48,627.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,045.52 : 89,762.52 = 35,237.52 : x
  2. Step 2: Convert to fraction form
    65,045.52/89,762.52 = 35,237.52/x
  3. Step 3: Cross multiply
    65,045.52x = 89,762.52 × 35,237.52
  4. Step 4: Simplify right side
    65,045.52x = 3,163,008,593.75
  5. Step 5: Solve for x
    x = 3,163,008,593.75/65,045.52
  6. Step 6: Final answer
    x = 48,627.62

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1.5x scale

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.