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Finding the Fourth Proportional to 69,807.06, 104,710.88 and 21,776.26

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Solution

The fourth proportional to 69,807.06, 104,710.88 and 21,776.26 is: 32,664.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,807.06 : 104,710.88 = 21,776.26 : x
  2. Step 2: Convert to fraction form
    69,807.06/104,710.88 = 21,776.26/x
  3. Step 3: Cross multiply
    69,807.06x = 104,710.88 × 21,776.26
  4. Step 4: Simplify right side
    69,807.06x = 2,280,211,347.71
  5. Step 5: Solve for x
    x = 2,280,211,347.71/69,807.06
  6. Step 6: Final answer
    x = 32,664.48

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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.