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Finding the Fourth Proportional to 1,484.77, 2,048.68 and 895.34

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Solution

The fourth proportional to 1,484.77, 2,048.68 and 895.34 is: 1,235.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484.77 : 2,048.68 = 895.34 : x
  2. Step 2: Convert to fraction form
    1,484.77/2,048.68 = 895.34/x
  3. Step 3: Cross multiply
    1,484.77x = 2,048.68 × 895.34
  4. Step 4: Simplify right side
    1,484.77x = 1,834,265.15
  5. Step 5: Solve for x
    x = 1,834,265.15/1,484.77
  6. Step 6: Final answer
    x = 1,235.39

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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.