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Finding the Fourth Proportional to 50,970.40, 76,455.60 and 50,970.40

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Solution

The fourth proportional to 50,970.40, 76,455.60 and 50,970.40 is: 76,455.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,970.40 : 76,455.60 = 50,970.40 : x
  2. Step 2: Convert to fraction form
    50,970.40/76,455.60 = 50,970.40/x
  3. Step 3: Cross multiply
    50,970.40x = 76,455.60 × 50,970.40
  4. Step 4: Simplify right side
    50,970.40x = 3,896,972,514.24
  5. Step 5: Solve for x
    x = 3,896,972,514.24/50,970.40
  6. Step 6: Final answer
    x = 76,455.60

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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.