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Finding the Fourth Proportional to 6,897.76, 10,346.60 and 1,703.64

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Solution

The fourth proportional to 6,897.76, 10,346.60 and 1,703.64 is: 2,555.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,897.76 : 10,346.60 = 1,703.64 : x
  2. Step 2: Convert to fraction form
    6,897.76/10,346.60 = 1,703.64/x
  3. Step 3: Cross multiply
    6,897.76x = 10,346.60 × 1,703.64
  4. Step 4: Simplify right side
    6,897.76x = 17,626,881.62
  5. Step 5: Solve for x
    x = 17,626,881.62/6,897.76
  6. Step 6: Final answer
    x = 2,555.45

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.