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Finding the Fourth Proportional to 39,897.60, 59,846.40 and 23,276.40

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Solution

The fourth proportional to 39,897.60, 59,846.40 and 23,276.40 is: 34,914.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,897.60 : 59,846.40 = 23,276.40 : x
  2. Step 2: Convert to fraction form
    39,897.60/59,846.40 = 23,276.40/x
  3. Step 3: Cross multiply
    39,897.60x = 59,846.40 × 23,276.40
  4. Step 4: Simplify right side
    39,897.60x = 1,393,008,744.96
  5. Step 5: Solve for x
    x = 1,393,008,744.96/39,897.60
  6. Step 6: Final answer
    x = 34,914.60

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Double scale
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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.