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Finding the Fourth Proportional to 66,065.94, 99,114.06 and 28,632.30

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Solution

The fourth proportional to 66,065.94, 99,114.06 and 28,632.30 is: 42,955.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,065.94 : 99,114.06 = 28,632.30 : x
  2. Step 2: Convert to fraction form
    66,065.94/99,114.06 = 28,632.30/x
  3. Step 3: Cross multiply
    66,065.94x = 99,114.06 × 28,632.30
  4. Step 4: Simplify right side
    66,065.94x = 2,837,863,500.14
  5. Step 5: Solve for x
    x = 2,837,863,500.14/66,065.94
  6. Step 6: Final answer
    x = 42,955.02

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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.