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Finding the Fourth Proportional to 75,237.56, 112,823.53 and 28,457.63

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Solution

The fourth proportional to 75,237.56, 112,823.53 and 28,457.63 is: 42,674.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,237.56 : 112,823.53 = 28,457.63 : x
  2. Step 2: Convert to fraction form
    75,237.56/112,823.53 = 28,457.63/x
  3. Step 3: Cross multiply
    75,237.56x = 112,823.53 × 28,457.63
  4. Step 4: Simplify right side
    75,237.56x = 3,210,690,272.03
  5. Step 5: Solve for x
    x = 3,210,690,272.03/75,237.56
  6. Step 6: Final answer
    x = 42,674.04

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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.