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Finding the Fourth Proportional to 70,676.37, 106,014.69 and 17,368.38

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Solution

The fourth proportional to 70,676.37, 106,014.69 and 17,368.38 is: 26,052.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,676.37 : 106,014.69 = 17,368.38 : x
  2. Step 2: Convert to fraction form
    70,676.37/106,014.69 = 17,368.38/x
  3. Step 3: Cross multiply
    70,676.37x = 106,014.69 × 17,368.38
  4. Step 4: Simplify right side
    70,676.37x = 1,841,303,421.50
  5. Step 5: Solve for x
    x = 1,841,303,421.50/70,676.37
  6. Step 6: Final answer
    x = 26,052.60

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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.