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Finding the Fourth Proportional to 1,453.74, 2,004.66 and 922.38

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Solution

The fourth proportional to 1,453.74, 2,004.66 and 922.38 is: 1,271.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453.74 : 2,004.66 = 922.38 : x
  2. Step 2: Convert to fraction form
    1,453.74/2,004.66 = 922.38/x
  3. Step 3: Cross multiply
    1,453.74x = 2,004.66 × 922.38
  4. Step 4: Simplify right side
    1,453.74x = 1,849,058.29
  5. Step 5: Solve for x
    x = 1,849,058.29/1,453.74
  6. Step 6: Final answer
    x = 1,271.93

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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.