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Finding the Fourth Proportional to 18,030.52, 27,009.05 and 14,710.60

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Solution

The fourth proportional to 18,030.52, 27,009.05 and 14,710.60 is: 22,035.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,030.52 : 27,009.05 = 14,710.60 : x
  2. Step 2: Convert to fraction form
    18,030.52/27,009.05 = 14,710.60/x
  3. Step 3: Cross multiply
    18,030.52x = 27,009.05 × 14,710.60
  4. Step 4: Simplify right side
    18,030.52x = 397,319,300.18
  5. Step 5: Solve for x
    x = 397,319,300.18/18,030.52
  6. Step 6: Final answer
    x = 22,035.93

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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.