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Finding the Fourth Proportional to 30,008.64, 44,945.28 and 14,437.92

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Solution

The fourth proportional to 30,008.64, 44,945.28 and 14,437.92 is: 21,624.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,008.64 : 44,945.28 = 14,437.92 : x
  2. Step 2: Convert to fraction form
    30,008.64/44,945.28 = 14,437.92/x
  3. Step 3: Cross multiply
    30,008.64x = 44,945.28 × 14,437.92
  4. Step 4: Simplify right side
    30,008.64x = 648,916,357.02
  5. Step 5: Solve for x
    x = 648,916,357.02/30,008.64
  6. Step 6: Final answer
    x = 21,624.32

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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.