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Finding the Fourth Proportional to 73,117.32, 100,901.94 and 39,583.32

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Solution

The fourth proportional to 73,117.32, 100,901.94 and 39,583.32 is: 54,625.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,117.32 : 100,901.94 = 39,583.32 : x
  2. Step 2: Convert to fraction form
    73,117.32/100,901.94 = 39,583.32/x
  3. Step 3: Cross multiply
    73,117.32x = 100,901.94 × 39,583.32
  4. Step 4: Simplify right side
    73,117.32x = 3,994,033,779.64
  5. Step 5: Solve for x
    x = 3,994,033,779.64/73,117.32
  6. Step 6: Final answer
    x = 54,625.00

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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.