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Finding the Fourth Proportional to 70,312.30, 97,076.24 and 62,745.62

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Solution

The fourth proportional to 70,312.30, 97,076.24 and 62,745.62 is: 86,629.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,312.30 : 97,076.24 = 62,745.62 : x
  2. Step 2: Convert to fraction form
    70,312.30/97,076.24 = 62,745.62/x
  3. Step 3: Cross multiply
    70,312.30x = 97,076.24 × 62,745.62
  4. Step 4: Simplify right side
    70,312.30x = 6,091,108,866.07
  5. Step 5: Solve for x
    x = 6,091,108,866.07/70,312.30
  6. Step 6: Final answer
    x = 86,629.35

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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.