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Finding the Fourth Proportional to 65,244.90, 97,867.35 and 39,000.90

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Solution

The fourth proportional to 65,244.90, 97,867.35 and 39,000.90 is: 58,501.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,244.90 : 97,867.35 = 39,000.90 : x
  2. Step 2: Convert to fraction form
    65,244.90/97,867.35 = 39,000.90/x
  3. Step 3: Cross multiply
    65,244.90x = 97,867.35 × 39,000.90
  4. Step 4: Simplify right side
    65,244.90x = 3,816,914,730.62
  5. Step 5: Solve for x
    x = 3,816,914,730.62/65,244.90
  6. Step 6: Final answer
    x = 58,501.35

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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.