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Finding the Fourth Proportional to 69,804.12, 96,326.88 and 37,972.33

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Solution

The fourth proportional to 69,804.12, 96,326.88 and 37,972.33 is: 52,400.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,804.12 : 96,326.88 = 37,972.33 : x
  2. Step 2: Convert to fraction form
    69,804.12/96,326.88 = 37,972.33/x
  3. Step 3: Cross multiply
    69,804.12x = 96,326.88 × 37,972.33
  4. Step 4: Simplify right side
    69,804.12x = 3,657,756,075.23
  5. Step 5: Solve for x
    x = 3,657,756,075.23/69,804.12
  6. Step 6: Final answer
    x = 52,400.29

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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.