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Finding the Fourth Proportional to 66,734.88, 92,169.72 and 45,477.24

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Solution

The fourth proportional to 66,734.88, 92,169.72 and 45,477.24 is: 62,810.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,734.88 : 92,169.72 = 45,477.24 : x
  2. Step 2: Convert to fraction form
    66,734.88/92,169.72 = 45,477.24/x
  3. Step 3: Cross multiply
    66,734.88x = 92,169.72 × 45,477.24
  4. Step 4: Simplify right side
    66,734.88x = 4,191,624,477.17
  5. Step 5: Solve for x
    x = 4,191,624,477.17/66,734.88
  6. Step 6: Final answer
    x = 62,810.10

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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.