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Finding the Fourth Proportional to 61,938.63, 85,477.38 and 36,440.46

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Solution

The fourth proportional to 61,938.63, 85,477.38 and 36,440.46 is: 50,289.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,938.63 : 85,477.38 = 36,440.46 : x
  2. Step 2: Convert to fraction form
    61,938.63/85,477.38 = 36,440.46/x
  3. Step 3: Cross multiply
    61,938.63x = 85,477.38 × 36,440.46
  4. Step 4: Simplify right side
    61,938.63x = 3,114,835,046.79
  5. Step 5: Solve for x
    x = 3,114,835,046.79/61,938.63
  6. Step 6: Final answer
    x = 50,289.05

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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.