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Finding the Fourth Proportional to 43,652.48, 65,423.93 and 18,663.17

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Solution

The fourth proportional to 43,652.48, 65,423.93 and 18,663.17 is: 27,971.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,652.48 : 65,423.93 = 18,663.17 : x
  2. Step 2: Convert to fraction form
    43,652.48/65,423.93 = 18,663.17/x
  3. Step 3: Cross multiply
    43,652.48x = 65,423.93 × 18,663.17
  4. Step 4: Simplify right side
    43,652.48x = 1,221,017,507.22
  5. Step 5: Solve for x
    x = 1,221,017,507.22/43,652.48
  6. Step 6: Final answer
    x = 27,971.32

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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.