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Finding the Fourth Proportional to 1,448.76, 1,999.26 and 1,094.07

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Solution

The fourth proportional to 1,448.76, 1,999.26 and 1,094.07 is: 1,509.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448.76 : 1,999.26 = 1,094.07 : x
  2. Step 2: Convert to fraction form
    1,448.76/1,999.26 = 1,094.07/x
  3. Step 3: Cross multiply
    1,448.76x = 1,999.26 × 1,094.07
  4. Step 4: Simplify right side
    1,448.76x = 2,187,330.39
  5. Step 5: Solve for x
    x = 2,187,330.39/1,448.76
  6. Step 6: Final answer
    x = 1,509.79

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Half scale
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Double scale
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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.