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Finding the Fourth Proportional to 27,365.15, 40,985.44 and 19,051.40

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Solution

The fourth proportional to 27,365.15, 40,985.44 and 19,051.40 is: 28,533.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,365.15 : 40,985.44 = 19,051.40 : x
  2. Step 2: Convert to fraction form
    27,365.15/40,985.44 = 19,051.40/x
  3. Step 3: Cross multiply
    27,365.15x = 40,985.44 × 19,051.40
  4. Step 4: Simplify right side
    27,365.15x = 780,830,011.62
  5. Step 5: Solve for x
    x = 780,830,011.62/27,365.15
  6. Step 6: Final answer
    x = 28,533.74

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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.