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Finding the Fourth Proportional to 47,323.20, 70,984.80 and 35,513.40

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Solution

The fourth proportional to 47,323.20, 70,984.80 and 35,513.40 is: 53,270.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,323.20 : 70,984.80 = 35,513.40 : x
  2. Step 2: Convert to fraction form
    47,323.20/70,984.80 = 35,513.40/x
  3. Step 3: Cross multiply
    47,323.20x = 70,984.80 × 35,513.40
  4. Step 4: Simplify right side
    47,323.20x = 2,520,911,596.32
  5. Step 5: Solve for x
    x = 2,520,911,596.32/47,323.20
  6. Step 6: Final answer
    x = 53,270.10

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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.