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Finding the Fourth Proportional to 54,987.04, 75,900 and 32,325.64

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Solution

The fourth proportional to 54,987.04, 75,900 and 32,325.64 is: 44,619.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,987.04 : 75,900 = 32,325.64 : x
  2. Step 2: Convert to fraction form
    54,987.04/75,900 = 32,325.64/x
  3. Step 3: Cross multiply
    54,987.04x = 75,900 × 32,325.64
  4. Step 4: Simplify right side
    54,987.04x = 2,453,516,076
  5. Step 5: Solve for x
    x = 2,453,516,076/54,987.04
  6. Step 6: Final answer
    x = 44,619.90

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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.