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Finding the Fourth Proportional to 59,907.57, 89,861.35 and 20,465.02

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Solution

The fourth proportional to 59,907.57, 89,861.35 and 20,465.02 is: 30,697.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,907.57 : 89,861.35 = 20,465.02 : x
  2. Step 2: Convert to fraction form
    59,907.57/89,861.35 = 20,465.02/x
  3. Step 3: Cross multiply
    59,907.57x = 89,861.35 × 20,465.02
  4. Step 4: Simplify right side
    59,907.57x = 1,839,014,424.51
  5. Step 5: Solve for x
    x = 1,839,014,424.51/59,907.57
  6. Step 6: Final answer
    x = 30,697.53

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Similar ratio
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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.