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Finding the Fourth Proportional to 38,702.04, 58,078.94 and 14,078.04

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Solution

The fourth proportional to 38,702.04, 58,078.94 and 14,078.04 is: 21,126.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,702.04 : 58,078.94 = 14,078.04 : x
  2. Step 2: Convert to fraction form
    38,702.04/58,078.94 = 14,078.04/x
  3. Step 3: Cross multiply
    38,702.04x = 58,078.94 × 14,078.04
  4. Step 4: Simplify right side
    38,702.04x = 817,637,640.48
  5. Step 5: Solve for x
    x = 817,637,640.48/38,702.04
  6. Step 6: Final answer
    x = 21,126.47

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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.