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Finding the Fourth Proportional to 16,907.60, 25,361.40 and 7,673.60

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Solution

The fourth proportional to 16,907.60, 25,361.40 and 7,673.60 is: 11,510.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,907.60 : 25,361.40 = 7,673.60 : x
  2. Step 2: Convert to fraction form
    16,907.60/25,361.40 = 7,673.60/x
  3. Step 3: Cross multiply
    16,907.60x = 25,361.40 × 7,673.60
  4. Step 4: Simplify right side
    16,907.60x = 194,613,239.04
  5. Step 5: Solve for x
    x = 194,613,239.04/16,907.60
  6. Step 6: Final answer
    x = 11,510.40

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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.