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Finding the Fourth Proportional to 64,215.84, 96,298.88 and 22,087.92

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Solution

The fourth proportional to 64,215.84, 96,298.88 and 22,087.92 is: 33,123.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,215.84 : 96,298.88 = 22,087.92 : x
  2. Step 2: Convert to fraction form
    64,215.84/96,298.88 = 22,087.92/x
  3. Step 3: Cross multiply
    64,215.84x = 96,298.88 × 22,087.92
  4. Step 4: Simplify right side
    64,215.84x = 2,127,041,957.53
  5. Step 5: Solve for x
    x = 2,127,041,957.53/64,215.84
  6. Step 6: Final answer
    x = 33,123.32

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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.