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Finding the Fourth Proportional to 52,894.56, 79,349.28 and 15,457.40

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Solution

The fourth proportional to 52,894.56, 79,349.28 and 15,457.40 is: 23,188.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,894.56 : 79,349.28 = 15,457.40 : x
  2. Step 2: Convert to fraction form
    52,894.56/79,349.28 = 15,457.40/x
  3. Step 3: Cross multiply
    52,894.56x = 79,349.28 × 15,457.40
  4. Step 4: Simplify right side
    52,894.56x = 1,226,533,560.67
  5. Step 5: Solve for x
    x = 1,226,533,560.67/52,894.56
  6. Step 6: Final answer
    x = 23,188.27

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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.