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Finding the Fourth Proportional to 52,041.49, 71,814.49 and 30,528.26

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Solution

The fourth proportional to 52,041.49, 71,814.49 and 30,528.26 is: 42,127.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,041.49 : 71,814.49 = 30,528.26 : x
  2. Step 2: Convert to fraction form
    52,041.49/71,814.49 = 30,528.26/x
  3. Step 3: Cross multiply
    52,041.49x = 71,814.49 × 30,528.26
  4. Step 4: Simplify right side
    52,041.49x = 2,192,371,063.41
  5. Step 5: Solve for x
    x = 2,192,371,063.41/52,041.49
  6. Step 6: Final answer
    x = 42,127.37

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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.