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Finding the Fourth Proportional to 15,566.27, 21,482.06 and 8,852.51

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Solution

The fourth proportional to 15,566.27, 21,482.06 and 8,852.51 is: 12,216.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,566.27 : 21,482.06 = 8,852.51 : x
  2. Step 2: Convert to fraction form
    15,566.27/21,482.06 = 8,852.51/x
  3. Step 3: Cross multiply
    15,566.27x = 21,482.06 × 8,852.51
  4. Step 4: Simplify right side
    15,566.27x = 190,170,150.97
  5. Step 5: Solve for x
    x = 190,170,150.97/15,566.27
  6. Step 6: Final answer
    x = 12,216.81

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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.