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Finding the Fourth Proportional to 35,470.66, 53,213.76 and 10,512.65

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Solution

The fourth proportional to 35,470.66, 53,213.76 and 10,512.65 is: 15,771.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,470.66 : 53,213.76 = 10,512.65 : x
  2. Step 2: Convert to fraction form
    35,470.66/53,213.76 = 10,512.65/x
  3. Step 3: Cross multiply
    35,470.66x = 53,213.76 × 10,512.65
  4. Step 4: Simplify right side
    35,470.66x = 559,417,634.06
  5. Step 5: Solve for x
    x = 559,417,634.06/35,470.66
  6. Step 6: Final answer
    x = 15,771.28

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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.