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Finding the Fourth Proportional to 1,650.05, 2,277.05 and 904.01

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Solution

The fourth proportional to 1,650.05, 2,277.05 and 904.01 is: 1,247.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,650.05 : 2,277.05 = 904.01 : x
  2. Step 2: Convert to fraction form
    1,650.05/2,277.05 = 904.01/x
  3. Step 3: Cross multiply
    1,650.05x = 2,277.05 × 904.01
  4. Step 4: Simplify right side
    1,650.05x = 2,058,460.07
  5. Step 5: Solve for x
    x = 2,058,460.07/1,650.05
  6. Step 6: Final answer
    x = 1,247.52

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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.