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Finding the Fourth Proportional to 50,798.08, 70,103.64 and 28,442.08

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Solution

The fourth proportional to 50,798.08, 70,103.64 and 28,442.08 is: 39,251.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,798.08 : 70,103.64 = 28,442.08 : x
  2. Step 2: Convert to fraction form
    50,798.08/70,103.64 = 28,442.08/x
  3. Step 3: Cross multiply
    50,798.08x = 70,103.64 × 28,442.08
  4. Step 4: Simplify right side
    50,798.08x = 1,993,893,337.17
  5. Step 5: Solve for x
    x = 1,993,893,337.17/50,798.08
  6. Step 6: Final answer
    x = 39,251.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.