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Finding the Fourth Proportional to 30,368.84, 45,456.04 and 16,294.28

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Solution

The fourth proportional to 30,368.84, 45,456.04 and 16,294.28 is: 24,389.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,368.84 : 45,456.04 = 16,294.28 : x
  2. Step 2: Convert to fraction form
    30,368.84/45,456.04 = 16,294.28/x
  3. Step 3: Cross multiply
    30,368.84x = 45,456.04 × 16,294.28
  4. Step 4: Simplify right side
    30,368.84x = 740,673,443.45
  5. Step 5: Solve for x
    x = 740,673,443.45/30,368.84
  6. Step 6: Final answer
    x = 24,389.26

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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.