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Finding the Fourth Proportional to 58,879.80, 88,307.16 and 19,427.64

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Solution

The fourth proportional to 58,879.80, 88,307.16 and 19,427.64 is: 29,137.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,879.80 : 88,307.16 = 19,427.64 : x
  2. Step 2: Convert to fraction form
    58,879.80/88,307.16 = 19,427.64/x
  3. Step 3: Cross multiply
    58,879.80x = 88,307.16 × 19,427.64
  4. Step 4: Simplify right side
    58,879.80x = 1,715,599,713.90
  5. Step 5: Solve for x
    x = 1,715,599,713.90/58,879.80
  6. Step 6: Final answer
    x = 29,137.32

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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.