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Finding the Fourth Proportional to 32,491.97, 48,730.95 and 18,974.12

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Solution

The fourth proportional to 32,491.97, 48,730.95 and 18,974.12 is: 28,457.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,491.97 : 48,730.95 = 18,974.12 : x
  2. Step 2: Convert to fraction form
    32,491.97/48,730.95 = 18,974.12/x
  3. Step 3: Cross multiply
    32,491.97x = 48,730.95 × 18,974.12
  4. Step 4: Simplify right side
    32,491.97x = 924,626,649.36
  5. Step 5: Solve for x
    x = 924,626,649.36/32,491.97
  6. Step 6: Final answer
    x = 28,457.08

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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.