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Finding the Fourth Proportional to 36,483.65, 54,693.15 and 14,312.93

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Solution

The fourth proportional to 36,483.65, 54,693.15 and 14,312.93 is: 21,456.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,483.65 : 54,693.15 = 14,312.93 : x
  2. Step 2: Convert to fraction form
    36,483.65/54,693.15 = 14,312.93/x
  3. Step 3: Cross multiply
    36,483.65x = 54,693.15 × 14,312.93
  4. Step 4: Simplify right side
    36,483.65x = 782,818,953.96
  5. Step 5: Solve for x
    x = 782,818,953.96/36,483.65
  6. Step 6: Final answer
    x = 21,456.71

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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.