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Finding the Fourth Proportional to 64,536.92, 89,060.29 and 35,465.76

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Solution

The fourth proportional to 64,536.92, 89,060.29 and 35,465.76 is: 48,942.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,536.92 : 89,060.29 = 35,465.76 : x
  2. Step 2: Convert to fraction form
    64,536.92/89,060.29 = 35,465.76/x
  3. Step 3: Cross multiply
    64,536.92x = 89,060.29 × 35,465.76
  4. Step 4: Simplify right side
    64,536.92x = 3,158,590,870.67
  5. Step 5: Solve for x
    x = 3,158,590,870.67/64,536.92
  6. Step 6: Final answer
    x = 48,942.39

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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.