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Finding the Fourth Proportional to 848.91, 1,160.88 and 848.91

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Solution

The fourth proportional to 848.91, 1,160.88 and 848.91 is: 1,160.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    848.91 : 1,160.88 = 848.91 : x
  2. Step 2: Convert to fraction form
    848.91/1,160.88 = 848.91/x
  3. Step 3: Cross multiply
    848.91x = 1,160.88 × 848.91
  4. Step 4: Simplify right side
    848.91x = 985,482.64
  5. Step 5: Solve for x
    x = 985,482.64/848.91
  6. Step 6: Final answer
    x = 1,160.88

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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 (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.