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Finding the Fourth Proportional to 35,980.10, 53,970.28 and 11,020.04

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Solution

The fourth proportional to 35,980.10, 53,970.28 and 11,020.04 is: 16,530.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,980.10 : 53,970.28 = 11,020.04 : x
  2. Step 2: Convert to fraction form
    35,980.10/53,970.28 = 11,020.04/x
  3. Step 3: Cross multiply
    35,980.10x = 53,970.28 × 11,020.04
  4. Step 4: Simplify right side
    35,980.10x = 594,754,347.01
  5. Step 5: Solve for x
    x = 594,754,347.01/35,980.10
  6. Step 6: Final answer
    x = 16,530.09

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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.