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Finding the Fourth Proportional to 63,214.65, 87,235.94 and 34,920.34

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Solution

The fourth proportional to 63,214.65, 87,235.94 and 34,920.34 is: 48,189.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,214.65 : 87,235.94 = 34,920.34 : x
  2. Step 2: Convert to fraction form
    63,214.65/87,235.94 = 34,920.34/x
  3. Step 3: Cross multiply
    63,214.65x = 87,235.94 × 34,920.34
  4. Step 4: Simplify right side
    63,214.65x = 3,046,308,248.84
  5. Step 5: Solve for x
    x = 3,046,308,248.84/63,214.65
  6. Step 6: Final answer
    x = 48,189.91

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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.