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Finding the Fourth Proportional to 69,482.16, 104,223.24 and 19,562.25

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Solution

The fourth proportional to 69,482.16, 104,223.24 and 19,562.25 is: 29,343.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,482.16 : 104,223.24 = 19,562.25 : x
  2. Step 2: Convert to fraction form
    69,482.16/104,223.24 = 19,562.25/x
  3. Step 3: Cross multiply
    69,482.16x = 104,223.24 × 19,562.25
  4. Step 4: Simplify right side
    69,482.16x = 2,038,841,076.69
  5. Step 5: Solve for x
    x = 2,038,841,076.69/69,482.16
  6. Step 6: Final answer
    x = 29,343.38

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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.