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Finding the Fourth Proportional to 44,159.96, 66,239.94 and 25,679

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Solution

The fourth proportional to 44,159.96, 66,239.94 and 25,679 is: 38,518.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,159.96 : 66,239.94 = 25,679 : x
  2. Step 2: Convert to fraction form
    44,159.96/66,239.94 = 25,679/x
  3. Step 3: Cross multiply
    44,159.96x = 66,239.94 × 25,679
  4. Step 4: Simplify right side
    44,159.96x = 1,700,975,419.26
  5. Step 5: Solve for x
    x = 1,700,975,419.26/44,159.96
  6. Step 6: Final answer
    x = 38,518.50

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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.