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Finding the Fourth Proportional to 64,888.12, 97,156.30 and 33,657.76

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Solution

The fourth proportional to 64,888.12, 97,156.30 and 33,657.76 is: 50,395.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,888.12 : 97,156.30 = 33,657.76 : x
  2. Step 2: Convert to fraction form
    64,888.12/97,156.30 = 33,657.76/x
  3. Step 3: Cross multiply
    64,888.12x = 97,156.30 × 33,657.76
  4. Step 4: Simplify right side
    64,888.12x = 3,270,063,427.89
  5. Step 5: Solve for x
    x = 3,270,063,427.89/64,888.12
  6. Step 6: Final answer
    x = 50,395.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.