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Finding the Fourth Proportional to 66,539.88, 91,669.04 and 46,360.24

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Solution

The fourth proportional to 66,539.88, 91,669.04 and 46,360.24 is: 63,868.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,539.88 : 91,669.04 = 46,360.24 : x
  2. Step 2: Convert to fraction form
    66,539.88/91,669.04 = 46,360.24/x
  3. Step 3: Cross multiply
    66,539.88x = 91,669.04 × 46,360.24
  4. Step 4: Simplify right side
    66,539.88x = 4,249,798,694.97
  5. Step 5: Solve for x
    x = 4,249,798,694.97/66,539.88
  6. Step 6: Final answer
    x = 63,868.45

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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.