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Finding the Fourth Proportional to 61,970.97, 85,524.00 and 34,748.90

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Solution

The fourth proportional to 61,970.97, 85,524.00 and 34,748.90 is: 47,955.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,970.97 : 85,524.00 = 34,748.90 : x
  2. Step 2: Convert to fraction form
    61,970.97/85,524.00 = 34,748.90/x
  3. Step 3: Cross multiply
    61,970.97x = 85,524.00 × 34,748.90
  4. Step 4: Simplify right side
    61,970.97x = 2,971,864,881.85
  5. Step 5: Solve for x
    x = 2,971,864,881.85/61,970.97
  6. Step 6: Final answer
    x = 47,955.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.