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Finding the Fourth Proportional to 32,220, 44,471.28 and 19,655.28

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Solution

The fourth proportional to 32,220, 44,471.28 and 19,655.28 is: 27,128.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,220 : 44,471.28 = 19,655.28 : x
  2. Step 2: Convert to fraction form
    32,220/44,471.28 = 19,655.28/x
  3. Step 3: Cross multiply
    32,220x = 44,471.28 × 19,655.28
  4. Step 4: Simplify right side
    32,220x = 874,095,460.36
  5. Step 5: Solve for x
    x = 874,095,460.36/32,220
  6. Step 6: Final answer
    x = 27,128.97

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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.