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Finding the Fourth Proportional to 19,368.30, 29,052.45 and 17,254.20

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Solution

The fourth proportional to 19,368.30, 29,052.45 and 17,254.20 is: 25,881.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,368.30 : 29,052.45 = 17,254.20 : x
  2. Step 2: Convert to fraction form
    19,368.30/29,052.45 = 17,254.20/x
  3. Step 3: Cross multiply
    19,368.30x = 29,052.45 × 17,254.20
  4. Step 4: Simplify right side
    19,368.30x = 501,276,782.79
  5. Step 5: Solve for x
    x = 501,276,782.79/19,368.30
  6. Step 6: Final answer
    x = 25,881.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.