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Finding the Fourth Proportional to 8,897.53, 13,346.28 and 8,356.25

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Solution

The fourth proportional to 8,897.53, 13,346.28 and 8,356.25 is: 12,534.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,897.53 : 13,346.28 = 8,356.25 : x
  2. Step 2: Convert to fraction form
    8,897.53/13,346.28 = 8,356.25/x
  3. Step 3: Cross multiply
    8,897.53x = 13,346.28 × 8,356.25
  4. Step 4: Simplify right side
    8,897.53x = 111,524,743.74
  5. Step 5: Solve for x
    x = 111,524,743.74/8,897.53
  6. Step 6: Final answer
    x = 12,534.35

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Double scale
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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.