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Finding the Fourth Proportional to 77,313.60, 116,013.60 and 32,932.80

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Solution

The fourth proportional to 77,313.60, 116,013.60 and 32,932.80 is: 49,417.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,313.60 : 116,013.60 = 32,932.80 : x
  2. Step 2: Convert to fraction form
    77,313.60/116,013.60 = 32,932.80/x
  3. Step 3: Cross multiply
    77,313.60x = 116,013.60 × 32,932.80
  4. Step 4: Simplify right side
    77,313.60x = 3,820,652,686.08
  5. Step 5: Solve for x
    x = 3,820,652,686.08/77,313.60
  6. Step 6: Final answer
    x = 49,417.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.