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Finding the Fourth Proportional to 66,001.08, 98,978.58 and 26,547.96

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Solution

The fourth proportional to 66,001.08, 98,978.58 and 26,547.96 is: 39,812.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,001.08 : 98,978.58 = 26,547.96 : x
  2. Step 2: Convert to fraction form
    66,001.08/98,978.58 = 26,547.96/x
  3. Step 3: Cross multiply
    66,001.08x = 98,978.58 × 26,547.96
  4. Step 4: Simplify right side
    66,001.08x = 2,627,679,382.70
  5. Step 5: Solve for x
    x = 2,627,679,382.70/66,001.08
  6. Step 6: Final answer
    x = 39,812.67

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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.