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Finding the Fourth Proportional to 50,897.39, 70,238.41 and 28,541.39

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Solution

The fourth proportional to 50,897.39, 70,238.41 and 28,541.39 is: 39,387.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,897.39 : 70,238.41 = 28,541.39 : x
  2. Step 2: Convert to fraction form
    50,897.39/70,238.41 = 28,541.39/x
  3. Step 3: Cross multiply
    50,897.39x = 70,238.41 × 28,541.39
  4. Step 4: Simplify right side
    50,897.39x = 2,004,701,430.24
  5. Step 5: Solve for x
    x = 2,004,701,430.24/50,897.39
  6. Step 6: Final answer
    x = 39,387.12

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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.