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Finding the Fourth Proportional to 34,860.54, 52,290.35 and 8,565.51

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Solution

The fourth proportional to 34,860.54, 52,290.35 and 8,565.51 is: 12,848.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,860.54 : 52,290.35 = 8,565.51 : x
  2. Step 2: Convert to fraction form
    34,860.54/52,290.35 = 8,565.51/x
  3. Step 3: Cross multiply
    34,860.54x = 52,290.35 × 8,565.51
  4. Step 4: Simplify right side
    34,860.54x = 447,893,515.83
  5. Step 5: Solve for x
    x = 447,893,515.83/34,860.54
  6. Step 6: Final answer
    x = 12,848.15

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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.