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Finding the Fourth Proportional to 40,538.02, 60,801.90 and 10,957.90

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Solution

The fourth proportional to 40,538.02, 60,801.90 and 10,957.90 is: 16,435.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,538.02 : 60,801.90 = 10,957.90 : x
  2. Step 2: Convert to fraction form
    40,538.02/60,801.90 = 10,957.90/x
  3. Step 3: Cross multiply
    40,538.02x = 60,801.90 × 10,957.90
  4. Step 4: Simplify right side
    40,538.02x = 666,261,140.01
  5. Step 5: Solve for x
    x = 666,261,140.01/40,538.02
  6. Step 6: Final answer
    x = 16,435.46

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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.