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Finding the Fourth Proportional to 58,314.40, 80,464.80 and 33,159.04

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Solution

The fourth proportional to 58,314.40, 80,464.80 and 33,159.04 is: 45,754.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,314.40 : 80,464.80 = 33,159.04 : x
  2. Step 2: Convert to fraction form
    58,314.40/80,464.80 = 33,159.04/x
  3. Step 3: Cross multiply
    58,314.40x = 80,464.80 × 33,159.04
  4. Step 4: Simplify right side
    58,314.40x = 2,668,135,521.79
  5. Step 5: Solve for x
    x = 2,668,135,521.79/58,314.40
  6. Step 6: Final answer
    x = 45,754.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.