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Finding the Fourth Proportional to 7,967.34, 10,995.39 and 4,430.48

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Solution

The fourth proportional to 7,967.34, 10,995.39 and 4,430.48 is: 6,114.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,967.34 : 10,995.39 = 4,430.48 : x
  2. Step 2: Convert to fraction form
    7,967.34/10,995.39 = 4,430.48/x
  3. Step 3: Cross multiply
    7,967.34x = 10,995.39 × 4,430.48
  4. Step 4: Simplify right side
    7,967.34x = 48,714,800.51
  5. Step 5: Solve for x
    x = 48,714,800.51/7,967.34
  6. Step 6: Final answer
    x = 6,114.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.