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Finding the Fourth Proportional to 15,653.85, 23,477.06 and 6,293.90

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Solution

The fourth proportional to 15,653.85, 23,477.06 and 6,293.90 is: 9,439.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,653.85 : 23,477.06 = 6,293.90 : x
  2. Step 2: Convert to fraction form
    15,653.85/23,477.06 = 6,293.90/x
  3. Step 3: Cross multiply
    15,653.85x = 23,477.06 × 6,293.90
  4. Step 4: Simplify right side
    15,653.85x = 147,762,119.08
  5. Step 5: Solve for x
    x = 147,762,119.08/15,653.85
  6. Step 6: Final answer
    x = 9,439.35

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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.