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Finding the Fourth Proportional to 28,030.41, 41,998.03 and 16,913.74

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Solution

The fourth proportional to 28,030.41, 41,998.03 and 16,913.74 is: 25,341.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,030.41 : 41,998.03 = 16,913.74 : x
  2. Step 2: Convert to fraction form
    28,030.41/41,998.03 = 16,913.74/x
  3. Step 3: Cross multiply
    28,030.41x = 41,998.03 × 16,913.74
  4. Step 4: Simplify right side
    28,030.41x = 710,343,707.79
  5. Step 5: Solve for x
    x = 710,343,707.79/28,030.41
  6. Step 6: Final answer
    x = 25,341.90

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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.