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Finding the Fourth Proportional to 59,372.40, 89,058.60 and 52,690.80

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Solution

The fourth proportional to 59,372.40, 89,058.60 and 52,690.80 is: 79,036.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,372.40 : 89,058.60 = 52,690.80 : x
  2. Step 2: Convert to fraction form
    59,372.40/89,058.60 = 52,690.80/x
  3. Step 3: Cross multiply
    59,372.40x = 89,058.60 × 52,690.80
  4. Step 4: Simplify right side
    59,372.40x = 4,692,568,880.88
  5. Step 5: Solve for x
    x = 4,692,568,880.88/59,372.40
  6. Step 6: Final answer
    x = 79,036.20

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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.