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Finding the Fourth Proportional to 61,977.96, 85,528.71 and 33,683.04

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Solution

The fourth proportional to 61,977.96, 85,528.71 and 33,683.04 is: 46,482.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,977.96 : 85,528.71 = 33,683.04 : x
  2. Step 2: Convert to fraction form
    61,977.96/85,528.71 = 33,683.04/x
  3. Step 3: Cross multiply
    61,977.96x = 85,528.71 × 33,683.04
  4. Step 4: Simplify right side
    61,977.96x = 2,880,866,960.08
  5. Step 5: Solve for x
    x = 2,880,866,960.08/61,977.96
  6. Step 6: Final answer
    x = 46,482.12

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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.