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Finding the Fourth Proportional to 63,702.40, 95,529.30 and 19,314.40

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Solution

The fourth proportional to 63,702.40, 95,529.30 and 19,314.40 is: 28,964.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,702.40 : 95,529.30 = 19,314.40 : x
  2. Step 2: Convert to fraction form
    63,702.40/95,529.30 = 19,314.40/x
  3. Step 3: Cross multiply
    63,702.40x = 95,529.30 × 19,314.40
  4. Step 4: Simplify right side
    63,702.40x = 1,845,091,111.92
  5. Step 5: Solve for x
    x = 1,845,091,111.92/63,702.40
  6. Step 6: Final answer
    x = 28,964.23

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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.