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Finding the Fourth Proportional to 45,262.80, 67,913.64 and 32,199.12

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Solution

The fourth proportional to 45,262.80, 67,913.64 and 32,199.12 is: 48,312.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,262.80 : 67,913.64 = 32,199.12 : x
  2. Step 2: Convert to fraction form
    45,262.80/67,913.64 = 32,199.12/x
  3. Step 3: Cross multiply
    45,262.80x = 67,913.64 × 32,199.12
  4. Step 4: Simplify right side
    45,262.80x = 2,186,759,444.00
  5. Step 5: Solve for x
    x = 2,186,759,444.00/45,262.80
  6. Step 6: Final answer
    x = 48,312.51

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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.