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Finding the Fourth Proportional to 40,573, 55,988.58 and 22,668.76

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Solution

The fourth proportional to 40,573, 55,988.58 and 22,668.76 is: 31,281.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,573 : 55,988.58 = 22,668.76 : x
  2. Step 2: Convert to fraction form
    40,573/55,988.58 = 22,668.76/x
  3. Step 3: Cross multiply
    40,573x = 55,988.58 × 22,668.76
  4. Step 4: Simplify right side
    40,573x = 1,269,191,682.76
  5. Step 5: Solve for x
    x = 1,269,191,682.76/40,573
  6. Step 6: Final answer
    x = 31,281.68

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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.