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Finding the Fourth Proportional to 66,666.35, 100,027.32 and 29,253.32

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Solution

The fourth proportional to 66,666.35, 100,027.32 and 29,253.32 is: 43,892.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,666.35 : 100,027.32 = 29,253.32 : x
  2. Step 2: Convert to fraction form
    66,666.35/100,027.32 = 29,253.32/x
  3. Step 3: Cross multiply
    66,666.35x = 100,027.32 × 29,253.32
  4. Step 4: Simplify right side
    66,666.35x = 2,926,130,700.57
  5. Step 5: Solve for x
    x = 2,926,130,700.57/66,666.35
  6. Step 6: Final answer
    x = 43,892.17

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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.