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Finding the Fourth Proportional to 64,858.20, 97,211.70 and 29,801.40

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Solution

The fourth proportional to 64,858.20, 97,211.70 and 29,801.40 is: 44,667.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,858.20 : 97,211.70 = 29,801.40 : x
  2. Step 2: Convert to fraction form
    64,858.20/97,211.70 = 29,801.40/x
  3. Step 3: Cross multiply
    64,858.20x = 97,211.70 × 29,801.40
  4. Step 4: Simplify right side
    64,858.20x = 2,897,044,756.38
  5. Step 5: Solve for x
    x = 2,897,044,756.38/64,858.20
  6. Step 6: Final answer
    x = 44,667.36

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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.