Home / 52,520.49-72,478.35-28,647.27

Finding the Fourth Proportional to 52,520.49, 72,478.35 and 28,647.27

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Solution

The fourth proportional to 52,520.49, 72,478.35 and 28,647.27 is: 39,533.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,520.49 : 72,478.35 = 28,647.27 : x
  2. Step 2: Convert to fraction form
    52,520.49/72,478.35 = 28,647.27/x
  3. Step 3: Cross multiply
    52,520.49x = 72,478.35 × 28,647.27
  4. Step 4: Simplify right side
    52,520.49x = 2,076,306,861.60
  5. Step 5: Solve for x
    x = 2,076,306,861.60/52,520.49
  6. Step 6: Final answer
    x = 39,533.27

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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.