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Finding the Fourth Proportional to 2,365.70, 3,548.43 and 904.74

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Solution

The fourth proportional to 2,365.70, 3,548.43 and 904.74 is: 1,357.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,365.70 : 3,548.43 = 904.74 : x
  2. Step 2: Convert to fraction form
    2,365.70/3,548.43 = 904.74/x
  3. Step 3: Cross multiply
    2,365.70x = 3,548.43 × 904.74
  4. Step 4: Simplify right side
    2,365.70x = 3,210,406.56
  5. Step 5: Solve for x
    x = 3,210,406.56/2,365.70
  6. Step 6: Final answer
    x = 1,357.06

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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.