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Finding the Fourth Proportional to 52,525.63, 72,485.89 and 28,652.80

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Solution

The fourth proportional to 52,525.63, 72,485.89 and 28,652.80 is: 39,541.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,525.63 : 72,485.89 = 28,652.80 : x
  2. Step 2: Convert to fraction form
    52,525.63/72,485.89 = 28,652.80/x
  3. Step 3: Cross multiply
    52,525.63x = 72,485.89 × 28,652.80
  4. Step 4: Simplify right side
    52,525.63x = 2,076,923,592.06
  5. Step 5: Solve for x
    x = 2,076,923,592.06/52,525.63
  6. Step 6: Final answer
    x = 39,541.15

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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.