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Finding the Fourth Proportional to 52,522.55, 78,746.93 and 19,238.30

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Solution

The fourth proportional to 52,522.55, 78,746.93 and 19,238.30 is: 28,843.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,522.55 : 78,746.93 = 19,238.30 : x
  2. Step 2: Convert to fraction form
    52,522.55/78,746.93 = 19,238.30/x
  3. Step 3: Cross multiply
    52,522.55x = 78,746.93 × 19,238.30
  4. Step 4: Simplify right side
    52,522.55x = 1,514,956,573.49
  5. Step 5: Solve for x
    x = 1,514,956,573.49/52,522.55
  6. Step 6: Final answer
    x = 28,843.93

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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.