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Finding the Fourth Proportional to 30,041.81, 41,457.96 and 16,613.96

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Solution

The fourth proportional to 30,041.81, 41,457.96 and 16,613.96 is: 22,927.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,041.81 : 41,457.96 = 16,613.96 : x
  2. Step 2: Convert to fraction form
    30,041.81/41,457.96 = 16,613.96/x
  3. Step 3: Cross multiply
    30,041.81x = 41,457.96 × 16,613.96
  4. Step 4: Simplify right side
    30,041.81x = 688,780,681.83
  5. Step 5: Solve for x
    x = 688,780,681.83/30,041.81
  6. Step 6: Final answer
    x = 22,927.41

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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.