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Finding the Fourth Proportional to 58,442.54, 80,651.08 and 31,584.99

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Solution

The fourth proportional to 58,442.54, 80,651.08 and 31,584.99 is: 43,587.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,442.54 : 80,651.08 = 31,584.99 : x
  2. Step 2: Convert to fraction form
    58,442.54/80,651.08 = 31,584.99/x
  3. Step 3: Cross multiply
    58,442.54x = 80,651.08 × 31,584.99
  4. Step 4: Simplify right side
    58,442.54x = 2,547,363,073.07
  5. Step 5: Solve for x
    x = 2,547,363,073.07/58,442.54
  6. Step 6: Final answer
    x = 43,587.48

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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.