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Finding the Fourth Proportional to 34,308.40, 51,433.80 and 17,892.40

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Solution

The fourth proportional to 34,308.40, 51,433.80 and 17,892.40 is: 26,823.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,308.40 : 51,433.80 = 17,892.40 : x
  2. Step 2: Convert to fraction form
    34,308.40/51,433.80 = 17,892.40/x
  3. Step 3: Cross multiply
    34,308.40x = 51,433.80 × 17,892.40
  4. Step 4: Simplify right side
    34,308.40x = 920,274,123.12
  5. Step 5: Solve for x
    x = 920,274,123.12/34,308.40
  6. Step 6: Final answer
    x = 26,823.58

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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.