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Finding the Fourth Proportional to 8,953.47, 13,430.48 and 4,273.97

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Solution

The fourth proportional to 8,953.47, 13,430.48 and 4,273.97 is: 6,411.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,953.47 : 13,430.48 = 4,273.97 : x
  2. Step 2: Convert to fraction form
    8,953.47/13,430.48 = 4,273.97/x
  3. Step 3: Cross multiply
    8,953.47x = 13,430.48 × 4,273.97
  4. Step 4: Simplify right side
    8,953.47x = 57,401,480.81
  5. Step 5: Solve for x
    x = 57,401,480.81/8,953.47
  6. Step 6: Final answer
    x = 6,411.09

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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.