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Finding the Fourth Proportional to 66,338.95, 91,392.01 and 46,161.18

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Solution

The fourth proportional to 66,338.95, 91,392.01 and 46,161.18 is: 63,594.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,338.95 : 91,392.01 = 46,161.18 : x
  2. Step 2: Convert to fraction form
    66,338.95/91,392.01 = 46,161.18/x
  3. Step 3: Cross multiply
    66,338.95x = 91,392.01 × 46,161.18
  4. Step 4: Simplify right side
    66,338.95x = 4,218,763,024.17
  5. Step 5: Solve for x
    x = 4,218,763,024.17/66,338.95
  6. Step 6: Final answer
    x = 63,594.06

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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.