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Finding the Fourth Proportional to 57,297.51, 79,070.85 and 31,804.23

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Solution

The fourth proportional to 57,297.51, 79,070.85 and 31,804.23 is: 43,890.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,297.51 : 79,070.85 = 31,804.23 : x
  2. Step 2: Convert to fraction form
    57,297.51/79,070.85 = 31,804.23/x
  3. Step 3: Cross multiply
    57,297.51x = 79,070.85 × 31,804.23
  4. Step 4: Simplify right side
    57,297.51x = 2,514,787,499.70
  5. Step 5: Solve for x
    x = 2,514,787,499.70/57,297.51
  6. Step 6: Final answer
    x = 43,890.00

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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.