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Finding the Fourth Proportional to 52,525.48, 78,788.48 and 19,248

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Solution

The fourth proportional to 52,525.48, 78,788.48 and 19,248 is: 28,872.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,525.48 : 78,788.48 = 19,248 : x
  2. Step 2: Convert to fraction form
    52,525.48/78,788.48 = 19,248/x
  3. Step 3: Cross multiply
    52,525.48x = 78,788.48 × 19,248
  4. Step 4: Simplify right side
    52,525.48x = 1,516,520,663.04
  5. Step 5: Solve for x
    x = 1,516,520,663.04/52,525.48
  6. Step 6: Final answer
    x = 28,872.10

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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.