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Finding the Fourth Proportional to 58,914.40, 88,371.60 and 37,919.20

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Solution

The fourth proportional to 58,914.40, 88,371.60 and 37,919.20 is: 56,878.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,914.40 : 88,371.60 = 37,919.20 : x
  2. Step 2: Convert to fraction form
    58,914.40/88,371.60 = 37,919.20/x
  3. Step 3: Cross multiply
    58,914.40x = 88,371.60 × 37,919.20
  4. Step 4: Simplify right side
    58,914.40x = 3,350,980,374.72
  5. Step 5: Solve for x
    x = 3,350,980,374.72/58,914.40
  6. Step 6: Final answer
    x = 56,878.80

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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.