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Finding the Fourth Proportional to 76,485.94, 114,646.89 and 36,955.91

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Solution

The fourth proportional to 76,485.94, 114,646.89 and 36,955.91 is: 55,394.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,485.94 : 114,646.89 = 36,955.91 : x
  2. Step 2: Convert to fraction form
    76,485.94/114,646.89 = 36,955.91/x
  3. Step 3: Cross multiply
    76,485.94x = 114,646.89 × 36,955.91
  4. Step 4: Simplify right side
    76,485.94x = 4,236,880,573.82
  5. Step 5: Solve for x
    x = 4,236,880,573.82/76,485.94
  6. Step 6: Final answer
    x = 55,394.24

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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.