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Finding the Fourth Proportional to 1,923.76, 2,885.64 and 1,404.01

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Solution

The fourth proportional to 1,923.76, 2,885.64 and 1,404.01 is: 2,106.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923.76 : 2,885.64 = 1,404.01 : x
  2. Step 2: Convert to fraction form
    1,923.76/2,885.64 = 1,404.01/x
  3. Step 3: Cross multiply
    1,923.76x = 2,885.64 × 1,404.01
  4. Step 4: Simplify right side
    1,923.76x = 4,051,467.42
  5. Step 5: Solve for x
    x = 4,051,467.42/1,923.76
  6. Step 6: Final answer
    x = 2,106.02

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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.