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Finding the Fourth Proportional to 30,048.48, 45,040.92 and 10,052.94

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Solution

The fourth proportional to 30,048.48, 45,040.92 and 10,052.94 is: 15,068.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,048.48 : 45,040.92 = 10,052.94 : x
  2. Step 2: Convert to fraction form
    30,048.48/45,040.92 = 10,052.94/x
  3. Step 3: Cross multiply
    30,048.48x = 45,040.92 × 10,052.94
  4. Step 4: Simplify right side
    30,048.48x = 452,793,666.30
  5. Step 5: Solve for x
    x = 452,793,666.30/30,048.48
  6. Step 6: Final answer
    x = 15,068.77

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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.