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Finding the Fourth Proportional to 43,360.13, 65,040.20 and 10,528.13

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Solution

The fourth proportional to 43,360.13, 65,040.20 and 10,528.13 is: 15,792.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,360.13 : 65,040.20 = 10,528.13 : x
  2. Step 2: Convert to fraction form
    43,360.13/65,040.20 = 10,528.13/x
  3. Step 3: Cross multiply
    43,360.13x = 65,040.20 × 10,528.13
  4. Step 4: Simplify right side
    43,360.13x = 684,751,302.98
  5. Step 5: Solve for x
    x = 684,751,302.98/43,360.13
  6. Step 6: Final answer
    x = 15,792.19

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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.