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Finding the Fourth Proportional to 57,547.98, 79,416.20 and 33,679.22

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Solution

The fourth proportional to 57,547.98, 79,416.20 and 33,679.22 is: 46,477.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,547.98 : 79,416.20 = 33,679.22 : x
  2. Step 2: Convert to fraction form
    57,547.98/79,416.20 = 33,679.22/x
  3. Step 3: Cross multiply
    57,547.98x = 79,416.20 × 33,679.22
  4. Step 4: Simplify right side
    57,547.98x = 2,674,675,105.89
  5. Step 5: Solve for x
    x = 2,674,675,105.89/57,547.98
  6. Step 6: Final answer
    x = 46,477.31

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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.