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Finding the Fourth Proportional to 69,775.25, 96,292.37 and 39,973.01

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Solution

The fourth proportional to 69,775.25, 96,292.37 and 39,973.01 is: 55,164.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,775.25 : 96,292.37 = 39,973.01 : x
  2. Step 2: Convert to fraction form
    69,775.25/96,292.37 = 39,973.01/x
  3. Step 3: Cross multiply
    69,775.25x = 96,292.37 × 39,973.01
  4. Step 4: Simplify right side
    69,775.25x = 3,849,095,487.40
  5. Step 5: Solve for x
    x = 3,849,095,487.40/69,775.25
  6. Step 6: Final answer
    x = 55,164.20

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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.