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Finding the Fourth Proportional to 57,397.55, 79,208.55 and 31,903.11

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Solution

The fourth proportional to 57,397.55, 79,208.55 and 31,903.11 is: 44,026.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,397.55 : 79,208.55 = 31,903.11 : x
  2. Step 2: Convert to fraction form
    57,397.55/79,208.55 = 31,903.11/x
  3. Step 3: Cross multiply
    57,397.55x = 79,208.55 × 31,903.11
  4. Step 4: Simplify right side
    57,397.55x = 2,526,999,083.59
  5. Step 5: Solve for x
    x = 2,526,999,083.59/57,397.55
  6. Step 6: Final answer
    x = 44,026.26

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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.