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Finding the Fourth Proportional to 62,969.64, 93,963.30 and 57,380.64

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Solution

The fourth proportional to 62,969.64, 93,963.30 and 57,380.64 is: 85,623.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,969.64 : 93,963.30 = 57,380.64 : x
  2. Step 2: Convert to fraction form
    62,969.64/93,963.30 = 57,380.64/x
  3. Step 3: Cross multiply
    62,969.64x = 93,963.30 × 57,380.64
  4. Step 4: Simplify right side
    62,969.64x = 5,391,674,290.51
  5. Step 5: Solve for x
    x = 5,391,674,290.51/62,969.64
  6. Step 6: Final answer
    x = 85,623.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.