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Finding the Fourth Proportional to 53,703, 74,111.32 and 29,504.28

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Solution

The fourth proportional to 53,703, 74,111.32 and 29,504.28 is: 40,716.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,703 : 74,111.32 = 29,504.28 : x
  2. Step 2: Convert to fraction form
    53,703/74,111.32 = 29,504.28/x
  3. Step 3: Cross multiply
    53,703x = 74,111.32 × 29,504.28
  4. Step 4: Simplify right side
    53,703x = 2,186,601,136.45
  5. Step 5: Solve for x
    x = 2,186,601,136.45/53,703
  6. Step 6: Final answer
    x = 40,716.55

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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.