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Finding the Fourth Proportional to 61,862.98, 85,372.80 and 36,364.67

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Solution

The fourth proportional to 61,862.98, 85,372.80 and 36,364.67 is: 50,184.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,862.98 : 85,372.80 = 36,364.67 : x
  2. Step 2: Convert to fraction form
    61,862.98/85,372.80 = 36,364.67/x
  3. Step 3: Cross multiply
    61,862.98x = 85,372.80 × 36,364.67
  4. Step 4: Simplify right side
    61,862.98x = 3,104,553,272.11
  5. Step 5: Solve for x
    x = 3,104,553,272.11/61,862.98
  6. Step 6: Final answer
    x = 50,184.35

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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.