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Finding the Fourth Proportional to 66,966.76, 100,452.64 and 17,048.02

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Solution

The fourth proportional to 66,966.76, 100,452.64 and 17,048.02 is: 25,572.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,966.76 : 100,452.64 = 17,048.02 : x
  2. Step 2: Convert to fraction form
    66,966.76/100,452.64 = 17,048.02/x
  3. Step 3: Cross multiply
    66,966.76x = 100,452.64 × 17,048.02
  4. Step 4: Simplify right side
    66,966.76x = 1,712,518,615.77
  5. Step 5: Solve for x
    x = 1,712,518,615.77/66,966.76
  6. Step 6: Final answer
    x = 25,572.67

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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.