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Finding the Fourth Proportional to 24,987.76, 37,491.12 and 7,457.68

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Solution

The fourth proportional to 24,987.76, 37,491.12 and 7,457.68 is: 11,189.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,987.76 : 37,491.12 = 7,457.68 : x
  2. Step 2: Convert to fraction form
    24,987.76/37,491.12 = 7,457.68/x
  3. Step 3: Cross multiply
    24,987.76x = 37,491.12 × 7,457.68
  4. Step 4: Simplify right side
    24,987.76x = 279,596,775.80
  5. Step 5: Solve for x
    x = 279,596,775.80/24,987.76
  6. Step 6: Final answer
    x = 11,189.35

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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.