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Finding the Fourth Proportional to 29,347.09, 40,485.53 and 17,406.07

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Solution

The fourth proportional to 29,347.09, 40,485.53 and 17,406.07 is: 24,012.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,347.09 : 40,485.53 = 17,406.07 : x
  2. Step 2: Convert to fraction form
    29,347.09/40,485.53 = 17,406.07/x
  3. Step 3: Cross multiply
    29,347.09x = 40,485.53 × 17,406.07
  4. Step 4: Simplify right side
    29,347.09x = 704,693,969.17
  5. Step 5: Solve for x
    x = 704,693,969.17/29,347.09
  6. Step 6: Final answer
    x = 24,012.40

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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.