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Finding the Fourth Proportional to 5,122.01, 7,069.28 and 4,888.28

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Solution

The fourth proportional to 5,122.01, 7,069.28 and 4,888.28 is: 6,746.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,122.01 : 7,069.28 = 4,888.28 : x
  2. Step 2: Convert to fraction form
    5,122.01/7,069.28 = 4,888.28/x
  3. Step 3: Cross multiply
    5,122.01x = 7,069.28 × 4,888.28
  4. Step 4: Simplify right side
    5,122.01x = 34,556,620.04
  5. Step 5: Solve for x
    x = 34,556,620.04/5,122.01
  6. Step 6: Final answer
    x = 6,746.69

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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.