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Finding the Fourth Proportional to 84,668.33, 127,002.67 and 21,488.33

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Solution

The fourth proportional to 84,668.33, 127,002.67 and 21,488.33 is: 32,232.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,668.33 : 127,002.67 = 21,488.33 : x
  2. Step 2: Convert to fraction form
    84,668.33/127,002.67 = 21,488.33/x
  3. Step 3: Cross multiply
    84,668.33x = 127,002.67 × 21,488.33
  4. Step 4: Simplify right side
    84,668.33x = 2,729,075,547.63
  5. Step 5: Solve for x
    x = 2,729,075,547.63/84,668.33
  6. Step 6: Final answer
    x = 32,232.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.