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Finding the Fourth Proportional to 61,977.68, 85,526.79 and 33,682.76

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Solution

The fourth proportional to 61,977.68, 85,526.79 and 33,682.76 is: 46,480.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,977.68 : 85,526.79 = 33,682.76 : x
  2. Step 2: Convert to fraction form
    61,977.68/85,526.79 = 33,682.76/x
  3. Step 3: Cross multiply
    61,977.68x = 85,526.79 × 33,682.76
  4. Step 4: Simplify right side
    61,977.68x = 2,880,778,341.14
  5. Step 5: Solve for x
    x = 2,880,778,341.14/61,977.68
  6. Step 6: Final answer
    x = 46,480.90

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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.