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Finding the Fourth Proportional to 15,793.01, 23,680.81 and 6,430.63

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Solution

The fourth proportional to 15,793.01, 23,680.81 and 6,430.63 is: 9,642.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,793.01 : 23,680.81 = 6,430.63 : x
  2. Step 2: Convert to fraction form
    15,793.01/23,680.81 = 6,430.63/x
  3. Step 3: Cross multiply
    15,793.01x = 23,680.81 × 6,430.63
  4. Step 4: Simplify right side
    15,793.01x = 152,282,527.21
  5. Step 5: Solve for x
    x = 152,282,527.21/15,793.01
  6. Step 6: Final answer
    x = 9,642.40

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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.