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Finding the Fourth Proportional to 59,383.60, 89,075.40 and 39,425.20

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Solution

The fourth proportional to 59,383.60, 89,075.40 and 39,425.20 is: 59,137.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,383.60 : 89,075.40 = 39,425.20 : x
  2. Step 2: Convert to fraction form
    59,383.60/89,075.40 = 39,425.20/x
  3. Step 3: Cross multiply
    59,383.60x = 89,075.40 × 39,425.20
  4. Step 4: Simplify right side
    59,383.60x = 3,511,815,460.08
  5. Step 5: Solve for x
    x = 3,511,815,460.08/59,383.60
  6. Step 6: Final answer
    x = 59,137.80

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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.