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Finding the Fourth Proportional to 57,809.84, 79,775.89 and 32,316.26

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Solution

The fourth proportional to 57,809.84, 79,775.89 and 32,316.26 is: 44,595.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,809.84 : 79,775.89 = 32,316.26 : x
  2. Step 2: Convert to fraction form
    57,809.84/79,775.89 = 32,316.26/x
  3. Step 3: Cross multiply
    57,809.84x = 79,775.89 × 32,316.26
  4. Step 4: Simplify right side
    57,809.84x = 2,578,058,402.97
  5. Step 5: Solve for x
    x = 2,578,058,402.97/57,809.84
  6. Step 6: Final answer
    x = 44,595.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.