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Finding the Fourth Proportional to 59,079.44, 81,509.04 and 37,870.40

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Solution

The fourth proportional to 59,079.44, 81,509.04 and 37,870.40 is: 52,247.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,079.44 : 81,509.04 = 37,870.40 : x
  2. Step 2: Convert to fraction form
    59,079.44/81,509.04 = 37,870.40/x
  3. Step 3: Cross multiply
    59,079.44x = 81,509.04 × 37,870.40
  4. Step 4: Simplify right side
    59,079.44x = 3,086,779,948.42
  5. Step 5: Solve for x
    x = 3,086,779,948.42/59,079.44
  6. Step 6: Final answer
    x = 52,247.96

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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.