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Finding the Fourth Proportional to 43,598.54, 65,398.14 and 12,010.32

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Solution

The fourth proportional to 43,598.54, 65,398.14 and 12,010.32 is: 18,015.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,598.54 : 65,398.14 = 12,010.32 : x
  2. Step 2: Convert to fraction form
    43,598.54/65,398.14 = 12,010.32/x
  3. Step 3: Cross multiply
    43,598.54x = 65,398.14 × 12,010.32
  4. Step 4: Simplify right side
    43,598.54x = 785,452,588.80
  5. Step 5: Solve for x
    x = 785,452,588.80/43,598.54
  6. Step 6: Final answer
    x = 18,015.57

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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.