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Finding the Fourth Proportional to 29,805.80, 44,708.40 and 12,036.16

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Solution

The fourth proportional to 29,805.80, 44,708.40 and 12,036.16 is: 18,054.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,805.80 : 44,708.40 = 12,036.16 : x
  2. Step 2: Convert to fraction form
    29,805.80/44,708.40 = 12,036.16/x
  3. Step 3: Cross multiply
    29,805.80x = 44,708.40 × 12,036.16
  4. Step 4: Simplify right side
    29,805.80x = 538,117,455.74
  5. Step 5: Solve for x
    x = 538,117,455.74/29,805.80
  6. Step 6: Final answer
    x = 18,054.12

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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.