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Finding the Fourth Proportional to 30,904.72, 46,324.76 and 14,275.65

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Solution

The fourth proportional to 30,904.72, 46,324.76 and 14,275.65 is: 21,398.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,904.72 : 46,324.76 = 14,275.65 : x
  2. Step 2: Convert to fraction form
    30,904.72/46,324.76 = 14,275.65/x
  3. Step 3: Cross multiply
    30,904.72x = 46,324.76 × 14,275.65
  4. Step 4: Simplify right side
    30,904.72x = 661,316,162.43
  5. Step 5: Solve for x
    x = 661,316,162.43/30,904.72
  6. Step 6: Final answer
    x = 21,398.55

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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.