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Finding the Fourth Proportional to 60,280.08, 90,409.80 and 15,907.30

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Solution

The fourth proportional to 60,280.08, 90,409.80 and 15,907.30 is: 23,858.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,280.08 : 90,409.80 = 15,907.30 : x
  2. Step 2: Convert to fraction form
    60,280.08/90,409.80 = 15,907.30/x
  3. Step 3: Cross multiply
    60,280.08x = 90,409.80 × 15,907.30
  4. Step 4: Simplify right side
    60,280.08x = 1,438,175,811.54
  5. Step 5: Solve for x
    x = 1,438,175,811.54/60,280.08
  6. Step 6: Final answer
    x = 23,858.23

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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.