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Finding the Fourth Proportional to 84,963.93, 127,437.68 and 25,800.12

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Solution

The fourth proportional to 84,963.93, 127,437.68 and 25,800.12 is: 38,697.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,963.93 : 127,437.68 = 25,800.12 : x
  2. Step 2: Convert to fraction form
    84,963.93/127,437.68 = 25,800.12/x
  3. Step 3: Cross multiply
    84,963.93x = 127,437.68 × 25,800.12
  4. Step 4: Simplify right side
    84,963.93x = 3,287,907,307.52
  5. Step 5: Solve for x
    x = 3,287,907,307.52/84,963.93
  6. Step 6: Final answer
    x = 38,697.68

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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.