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Finding the Fourth Proportional to 69,900.50, 96,466.53 and 40,094.42

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Solution

The fourth proportional to 69,900.50, 96,466.53 and 40,094.42 is: 55,332.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,900.50 : 96,466.53 = 40,094.42 : x
  2. Step 2: Convert to fraction form
    69,900.50/96,466.53 = 40,094.42/x
  3. Step 3: Cross multiply
    69,900.50x = 96,466.53 × 40,094.42
  4. Step 4: Simplify right side
    69,900.50x = 3,867,769,569.76
  5. Step 5: Solve for x
    x = 3,867,769,569.76/69,900.50
  6. Step 6: Final answer
    x = 55,332.50

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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.