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Finding the Fourth Proportional to 75,090.56, 112,667.28 and 32,948.88

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Solution

The fourth proportional to 75,090.56, 112,667.28 and 32,948.88 is: 49,437.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,090.56 : 112,667.28 = 32,948.88 : x
  2. Step 2: Convert to fraction form
    75,090.56/112,667.28 = 32,948.88/x
  3. Step 3: Cross multiply
    75,090.56x = 112,667.28 × 32,948.88
  4. Step 4: Simplify right side
    75,090.56x = 3,712,260,688.65
  5. Step 5: Solve for x
    x = 3,712,260,688.65/75,090.56
  6. Step 6: Final answer
    x = 49,437.12

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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.