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Finding the Fourth Proportional to 40,487.84, 55,873.08 and 22,582.84

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Solution

The fourth proportional to 40,487.84, 55,873.08 and 22,582.84 is: 31,164.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,487.84 : 55,873.08 = 22,582.84 : x
  2. Step 2: Convert to fraction form
    40,487.84/55,873.08 = 22,582.84/x
  3. Step 3: Cross multiply
    40,487.84x = 55,873.08 × 22,582.84
  4. Step 4: Simplify right side
    40,487.84x = 1,261,772,581.50
  5. Step 5: Solve for x
    x = 1,261,772,581.50/40,487.84
  6. Step 6: Final answer
    x = 31,164.23

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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.