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Finding the Fourth Proportional to 53,459.82, 80,134.37 and 44,000.45

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Solution

The fourth proportional to 53,459.82, 80,134.37 and 44,000.45 is: 65,955.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,459.82 : 80,134.37 = 44,000.45 : x
  2. Step 2: Convert to fraction form
    53,459.82/80,134.37 = 44,000.45/x
  3. Step 3: Cross multiply
    53,459.82x = 80,134.37 × 44,000.45
  4. Step 4: Simplify right side
    53,459.82x = 3,525,947,719.79
  5. Step 5: Solve for x
    x = 3,525,947,719.79/53,459.82
  6. Step 6: Final answer
    x = 65,955.10

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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.