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Finding the Fourth Proportional to 46,220, 63,783.62 and 29,462.72

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Solution

The fourth proportional to 46,220, 63,783.62 and 29,462.72 is: 40,658.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,220 : 63,783.62 = 29,462.72 : x
  2. Step 2: Convert to fraction form
    46,220/63,783.62 = 29,462.72/x
  3. Step 3: Cross multiply
    46,220x = 63,783.62 × 29,462.72
  4. Step 4: Simplify right side
    46,220x = 1,879,238,936.65
  5. Step 5: Solve for x
    x = 1,879,238,936.65/46,220
  6. Step 6: Final answer
    x = 40,658.57

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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.