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Finding the Fourth Proportional to 61,365.99, 92,050.14 and 19,245.15

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Solution

The fourth proportional to 61,365.99, 92,050.14 and 19,245.15 is: 28,868.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,365.99 : 92,050.14 = 19,245.15 : x
  2. Step 2: Convert to fraction form
    61,365.99/92,050.14 = 19,245.15/x
  3. Step 3: Cross multiply
    61,365.99x = 92,050.14 × 19,245.15
  4. Step 4: Simplify right side
    61,365.99x = 1,771,518,751.82
  5. Step 5: Solve for x
    x = 1,771,518,751.82/61,365.99
  6. Step 6: Final answer
    x = 28,868.09

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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.