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Finding the Fourth Proportional to 59,588.80, 89,237.40 and 28,387.60

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Solution

The fourth proportional to 59,588.80, 89,237.40 and 28,387.60 is: 42,511.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,588.80 : 89,237.40 = 28,387.60 : x
  2. Step 2: Convert to fraction form
    59,588.80/89,237.40 = 28,387.60/x
  3. Step 3: Cross multiply
    59,588.80x = 89,237.40 × 28,387.60
  4. Step 4: Simplify right side
    59,588.80x = 2,533,235,616.24
  5. Step 5: Solve for x
    x = 2,533,235,616.24/59,588.80
  6. Step 6: Final answer
    x = 42,511.94

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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.