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Finding the Fourth Proportional to 1,933.42, 2,900.64 and 837.53

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Solution

The fourth proportional to 1,933.42, 2,900.64 and 837.53 is: 1,256.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933.42 : 2,900.64 = 837.53 : x
  2. Step 2: Convert to fraction form
    1,933.42/2,900.64 = 837.53/x
  3. Step 3: Cross multiply
    1,933.42x = 2,900.64 × 837.53
  4. Step 4: Simplify right side
    1,933.42x = 2,429,373.02
  5. Step 5: Solve for x
    x = 2,429,373.02/1,933.42
  6. Step 6: Final answer
    x = 1,256.52

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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.