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Finding the Fourth Proportional to 30,044.80, 41,461.04 and 16,615.68

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Solution

The fourth proportional to 30,044.80, 41,461.04 and 16,615.68 is: 22,929.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,044.80 : 41,461.04 = 16,615.68 : x
  2. Step 2: Convert to fraction form
    30,044.80/41,461.04 = 16,615.68/x
  3. Step 3: Cross multiply
    30,044.80x = 41,461.04 × 16,615.68
  4. Step 4: Simplify right side
    30,044.80x = 688,903,373.11
  5. Step 5: Solve for x
    x = 688,903,373.11/30,044.80
  6. Step 6: Final answer
    x = 22,929.20

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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.