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Finding the Fourth Proportional to 64,418.51, 96,655.30 and 33,275.63

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Solution

The fourth proportional to 64,418.51, 96,655.30 and 33,275.63 is: 49,927.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,418.51 : 96,655.30 = 33,275.63 : x
  2. Step 2: Convert to fraction form
    64,418.51/96,655.30 = 33,275.63/x
  3. Step 3: Cross multiply
    64,418.51x = 96,655.30 × 33,275.63
  4. Step 4: Simplify right side
    64,418.51x = 3,216,266,000.34
  5. Step 5: Solve for x
    x = 3,216,266,000.34/64,418.51
  6. Step 6: Final answer
    x = 49,927.67

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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.