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Finding the Fourth Proportional to 29,051.98, 40,090.46 and 16,130.46

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Solution

The fourth proportional to 29,051.98, 40,090.46 and 16,130.46 is: 22,259.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,051.98 : 40,090.46 = 16,130.46 : x
  2. Step 2: Convert to fraction form
    29,051.98/40,090.46 = 16,130.46/x
  3. Step 3: Cross multiply
    29,051.98x = 40,090.46 × 16,130.46
  4. Step 4: Simplify right side
    29,051.98x = 646,677,561.41
  5. Step 5: Solve for x
    x = 646,677,561.41/29,051.98
  6. Step 6: Final answer
    x = 22,259.33

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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.