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Finding the Fourth Proportional to 25,167.40, 37,751.10 and 16,419.40

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Solution

The fourth proportional to 25,167.40, 37,751.10 and 16,419.40 is: 24,629.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,167.40 : 37,751.10 = 16,419.40 : x
  2. Step 2: Convert to fraction form
    25,167.40/37,751.10 = 16,419.40/x
  3. Step 3: Cross multiply
    25,167.40x = 37,751.10 × 16,419.40
  4. Step 4: Simplify right side
    25,167.40x = 619,850,411.34
  5. Step 5: Solve for x
    x = 619,850,411.34/25,167.40
  6. Step 6: Final answer
    x = 24,629.10

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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.