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Finding the Fourth Proportional to 29,574.40, 40,810.80 and 17,637.94

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Solution

The fourth proportional to 29,574.40, 40,810.80 and 17,637.94 is: 24,339.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,574.40 : 40,810.80 = 17,637.94 : x
  2. Step 2: Convert to fraction form
    29,574.40/40,810.80 = 17,637.94/x
  3. Step 3: Cross multiply
    29,574.40x = 40,810.80 × 17,637.94
  4. Step 4: Simplify right side
    29,574.40x = 719,818,441.75
  5. Step 5: Solve for x
    x = 719,818,441.75/29,574.40
  6. Step 6: Final answer
    x = 24,339.24

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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.