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Finding the Fourth Proportional to 64,215.51, 88,622.06 and 35,930.31

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Solution

The fourth proportional to 64,215.51, 88,622.06 and 35,930.31 is: 49,586.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,215.51 : 88,622.06 = 35,930.31 : x
  2. Step 2: Convert to fraction form
    64,215.51/88,622.06 = 35,930.31/x
  3. Step 3: Cross multiply
    64,215.51x = 88,622.06 × 35,930.31
  4. Step 4: Simplify right side
    64,215.51x = 3,184,218,088.64
  5. Step 5: Solve for x
    x = 3,184,218,088.64/64,215.51
  6. Step 6: Final answer
    x = 49,586.43

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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.