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Finding the Fourth Proportional to 86,705.72, 130,058.58 and 24,376.22

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Solution

The fourth proportional to 86,705.72, 130,058.58 and 24,376.22 is: 36,564.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,705.72 : 130,058.58 = 24,376.22 : x
  2. Step 2: Convert to fraction form
    86,705.72/130,058.58 = 24,376.22/x
  3. Step 3: Cross multiply
    86,705.72x = 130,058.58 × 24,376.22
  4. Step 4: Simplify right side
    86,705.72x = 3,170,336,487.81
  5. Step 5: Solve for x
    x = 3,170,336,487.81/86,705.72
  6. Step 6: Final answer
    x = 36,564.33

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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.