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Finding the Fourth Proportional to 64,964.40, 97,373.70 and 36,897.90

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Solution

The fourth proportional to 64,964.40, 97,373.70 and 36,897.90 is: 55,305.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,964.40 : 97,373.70 = 36,897.90 : x
  2. Step 2: Convert to fraction form
    64,964.40/97,373.70 = 36,897.90/x
  3. Step 3: Cross multiply
    64,964.40x = 97,373.70 × 36,897.90
  4. Step 4: Simplify right side
    64,964.40x = 3,592,885,045.23
  5. Step 5: Solve for x
    x = 3,592,885,045.23/64,964.40
  6. Step 6: Final answer
    x = 55,305.44

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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.