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Finding the Fourth Proportional to 45,597.68, 68,459.52 and 31,523.12

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Solution

The fourth proportional to 45,597.68, 68,459.52 and 31,523.12 is: 47,328.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,597.68 : 68,459.52 = 31,523.12 : x
  2. Step 2: Convert to fraction form
    45,597.68/68,459.52 = 31,523.12/x
  3. Step 3: Cross multiply
    45,597.68x = 68,459.52 × 31,523.12
  4. Step 4: Simplify right side
    45,597.68x = 2,158,057,664.10
  5. Step 5: Solve for x
    x = 2,158,057,664.10/45,597.68
  6. Step 6: Final answer
    x = 47,328.23

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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.