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Finding the Fourth Proportional to 52,886.52, 72,983.07 and 29,013.21

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Solution

The fourth proportional to 52,886.52, 72,983.07 and 29,013.21 is: 40,038.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,886.52 : 72,983.07 = 29,013.21 : x
  2. Step 2: Convert to fraction form
    52,886.52/72,983.07 = 29,013.21/x
  3. Step 3: Cross multiply
    52,886.52x = 72,983.07 × 29,013.21
  4. Step 4: Simplify right side
    52,886.52x = 2,117,473,136.35
  5. Step 5: Solve for x
    x = 2,117,473,136.35/52,886.52
  6. Step 6: Final answer
    x = 40,038.05

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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.