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Finding the Fourth Proportional to 70,833.02, 97,745.86 and 38,995.77

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Solution

The fourth proportional to 70,833.02, 97,745.86 and 38,995.77 is: 53,812.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,833.02 : 97,745.86 = 38,995.77 : x
  2. Step 2: Convert to fraction form
    70,833.02/97,745.86 = 38,995.77/x
  3. Step 3: Cross multiply
    70,833.02x = 97,745.86 × 38,995.77
  4. Step 4: Simplify right side
    70,833.02x = 3,811,674,977.52
  5. Step 5: Solve for x
    x = 3,811,674,977.52/70,833.02
  6. Step 6: Final answer
    x = 53,812.12

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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.