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Finding the Fourth Proportional to 52,394.88, 78,603.84 and 15,461.76

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Solution

The fourth proportional to 52,394.88, 78,603.84 and 15,461.76 is: 23,196.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,394.88 : 78,603.84 = 15,461.76 : x
  2. Step 2: Convert to fraction form
    52,394.88/78,603.84 = 15,461.76/x
  3. Step 3: Cross multiply
    52,394.88x = 78,603.84 × 15,461.76
  4. Step 4: Simplify right side
    52,394.88x = 1,215,353,709.16
  5. Step 5: Solve for x
    x = 1,215,353,709.16/52,394.88
  6. Step 6: Final answer
    x = 23,196.04

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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.