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Finding the Fourth Proportional to 75,022.71, 112,486.53 and 37,572.63

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Solution

The fourth proportional to 75,022.71, 112,486.53 and 37,572.63 is: 56,335.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,022.71 : 112,486.53 = 37,572.63 : x
  2. Step 2: Convert to fraction form
    75,022.71/112,486.53 = 37,572.63/x
  3. Step 3: Cross multiply
    75,022.71x = 112,486.53 × 37,572.63
  4. Step 4: Simplify right side
    75,022.71x = 4,226,414,771.67
  5. Step 5: Solve for x
    x = 4,226,414,771.67/75,022.71
  6. Step 6: Final answer
    x = 56,335.14

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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.