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Finding the Fourth Proportional to 53,966.80, 80,950.20 and 17,030.80

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Solution

The fourth proportional to 53,966.80, 80,950.20 and 17,030.80 is: 25,546.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,966.80 : 80,950.20 = 17,030.80 : x
  2. Step 2: Convert to fraction form
    53,966.80/80,950.20 = 17,030.80/x
  3. Step 3: Cross multiply
    53,966.80x = 80,950.20 × 17,030.80
  4. Step 4: Simplify right side
    53,966.80x = 1,378,646,666.16
  5. Step 5: Solve for x
    x = 1,378,646,666.16/53,966.80
  6. Step 6: Final answer
    x = 25,546.20

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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.