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Finding the Fourth Proportional to 57,295.69, 79,068.15 and 31,801.14

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Solution

The fourth proportional to 57,295.69, 79,068.15 and 31,801.14 is: 43,885.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,295.69 : 79,068.15 = 31,801.14 : x
  2. Step 2: Convert to fraction form
    57,295.69/79,068.15 = 31,801.14/x
  3. Step 3: Cross multiply
    57,295.69x = 79,068.15 × 31,801.14
  4. Step 4: Simplify right side
    57,295.69x = 2,514,457,307.69
  5. Step 5: Solve for x
    x = 2,514,457,307.69/57,295.69
  6. Step 6: Final answer
    x = 43,885.63

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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.