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Finding the Fourth Proportional to 73,899.80, 110,865.90 and 23,971.40

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Solution

The fourth proportional to 73,899.80, 110,865.90 and 23,971.40 is: 35,962.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,899.80 : 110,865.90 = 23,971.40 : x
  2. Step 2: Convert to fraction form
    73,899.80/110,865.90 = 23,971.40/x
  3. Step 3: Cross multiply
    73,899.80x = 110,865.90 × 23,971.40
  4. Step 4: Simplify right side
    73,899.80x = 2,657,610,835.26
  5. Step 5: Solve for x
    x = 2,657,610,835.26/73,899.80
  6. Step 6: Final answer
    x = 35,962.35

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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.