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Finding the Fourth Proportional to 66,480.84, 99,740.16 and 27,066.24

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Solution

The fourth proportional to 66,480.84, 99,740.16 and 27,066.24 is: 40,607.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,480.84 : 99,740.16 = 27,066.24 : x
  2. Step 2: Convert to fraction form
    66,480.84/99,740.16 = 27,066.24/x
  3. Step 3: Cross multiply
    66,480.84x = 99,740.16 × 27,066.24
  4. Step 4: Simplify right side
    66,480.84x = 2,699,591,108.20
  5. Step 5: Solve for x
    x = 2,699,591,108.20/66,480.84
  6. Step 6: Final answer
    x = 40,607.05

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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.