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Finding the Fourth Proportional to 31,304.40, 43,219.08 and 24,248.40

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Solution

The fourth proportional to 31,304.40, 43,219.08 and 24,248.40 is: 33,477.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,304.40 : 43,219.08 = 24,248.40 : x
  2. Step 2: Convert to fraction form
    31,304.40/43,219.08 = 24,248.40/x
  3. Step 3: Cross multiply
    31,304.40x = 43,219.08 × 24,248.40
  4. Step 4: Simplify right side
    31,304.40x = 1,047,993,539.47
  5. Step 5: Solve for x
    x = 1,047,993,539.47/31,304.40
  6. Step 6: Final answer
    x = 33,477.52

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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.