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Finding the Fourth Proportional to 17,957.76, 24,767.04 and 15,075.36

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Solution

The fourth proportional to 17,957.76, 24,767.04 and 15,075.36 is: 20,791.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,957.76 : 24,767.04 = 15,075.36 : x
  2. Step 2: Convert to fraction form
    17,957.76/24,767.04 = 15,075.36/x
  3. Step 3: Cross multiply
    17,957.76x = 24,767.04 × 15,075.36
  4. Step 4: Simplify right side
    17,957.76x = 373,372,044.13
  5. Step 5: Solve for x
    x = 373,372,044.13/17,957.76
  6. Step 6: Final answer
    x = 20,791.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.