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Finding the Fourth Proportional to 70,677.66, 97,533.92 and 38,846.55

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Solution

The fourth proportional to 70,677.66, 97,533.92 and 38,846.55 is: 53,607.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,677.66 : 97,533.92 = 38,846.55 : x
  2. Step 2: Convert to fraction form
    70,677.66/97,533.92 = 38,846.55/x
  3. Step 3: Cross multiply
    70,677.66x = 97,533.92 × 38,846.55
  4. Step 4: Simplify right side
    70,677.66x = 3,788,856,762.84
  5. Step 5: Solve for x
    x = 3,788,856,762.84/70,677.66
  6. Step 6: Final answer
    x = 53,607.56

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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.