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Finding the Fourth Proportional to 57,605.51, 79,485.94 and 32,106.31

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Solution

The fourth proportional to 57,605.51, 79,485.94 and 32,106.31 is: 44,301.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,605.51 : 79,485.94 = 32,106.31 : x
  2. Step 2: Convert to fraction form
    57,605.51/79,485.94 = 32,106.31/x
  3. Step 3: Cross multiply
    57,605.51x = 79,485.94 × 32,106.31
  4. Step 4: Simplify right side
    57,605.51x = 2,552,000,071.70
  5. Step 5: Solve for x
    x = 2,552,000,071.70/57,605.51
  6. Step 6: Final answer
    x = 44,301.32

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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.