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Finding the Fourth Proportional to 56,565.53, 84,777.54 and 28,492.65

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Solution

The fourth proportional to 56,565.53, 84,777.54 and 28,492.65 is: 42,703.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,565.53 : 84,777.54 = 28,492.65 : x
  2. Step 2: Convert to fraction form
    56,565.53/84,777.54 = 28,492.65/x
  3. Step 3: Cross multiply
    56,565.53x = 84,777.54 × 28,492.65
  4. Step 4: Simplify right side
    56,565.53x = 2,415,536,775.08
  5. Step 5: Solve for x
    x = 2,415,536,775.08/56,565.53
  6. Step 6: Final answer
    x = 42,703.34

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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.