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Finding the Fourth Proportional to 52,653.46, 78,980.20 and 17,593.12

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Solution

The fourth proportional to 52,653.46, 78,980.20 and 17,593.12 is: 26,389.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,653.46 : 78,980.20 = 17,593.12 : x
  2. Step 2: Convert to fraction form
    52,653.46/78,980.20 = 17,593.12/x
  3. Step 3: Cross multiply
    52,653.46x = 78,980.20 × 17,593.12
  4. Step 4: Simplify right side
    52,653.46x = 1,389,507,894.79
  5. Step 5: Solve for x
    x = 1,389,507,894.79/52,653.46
  6. Step 6: Final answer
    x = 26,389.68

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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.