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Finding the Fourth Proportional to 73,598.60, 110,412.30 and 31,478.60

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Solution

The fourth proportional to 73,598.60, 110,412.30 and 31,478.60 is: 47,224.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,598.60 : 110,412.30 = 31,478.60 : x
  2. Step 2: Convert to fraction form
    73,598.60/110,412.30 = 31,478.60/x
  3. Step 3: Cross multiply
    73,598.60x = 110,412.30 × 31,478.60
  4. Step 4: Simplify right side
    73,598.60x = 3,475,624,626.78
  5. Step 5: Solve for x
    x = 3,475,624,626.78/73,598.60
  6. Step 6: Final answer
    x = 47,224.06

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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.