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Finding the Fourth Proportional to 63,153.22, 87,155.04 and 37,652.80

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Solution

The fourth proportional to 63,153.22, 87,155.04 and 37,652.80 is: 51,963.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,153.22 : 87,155.04 = 37,652.80 : x
  2. Step 2: Convert to fraction form
    63,153.22/87,155.04 = 37,652.80/x
  3. Step 3: Cross multiply
    63,153.22x = 87,155.04 × 37,652.80
  4. Step 4: Simplify right side
    63,153.22x = 3,281,631,290.11
  5. Step 5: Solve for x
    x = 3,281,631,290.11/63,153.22
  6. Step 6: Final answer
    x = 51,963.01

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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.