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Finding the Fourth Proportional to 77,448.32, 116,184.64 and 33,075.32

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Solution

The fourth proportional to 77,448.32, 116,184.64 and 33,075.32 is: 49,618.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,448.32 : 116,184.64 = 33,075.32 : x
  2. Step 2: Convert to fraction form
    77,448.32/116,184.64 = 33,075.32/x
  3. Step 3: Cross multiply
    77,448.32x = 116,184.64 × 33,075.32
  4. Step 4: Simplify right side
    77,448.32x = 3,842,844,147.08
  5. Step 5: Solve for x
    x = 3,842,844,147.08/77,448.32
  6. Step 6: Final answer
    x = 49,618.17

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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.