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Finding the Fourth Proportional to 84,718.90, 116,926.10 and 47,005.30

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Solution

The fourth proportional to 84,718.90, 116,926.10 and 47,005.30 is: 64,875.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,718.90 : 116,926.10 = 47,005.30 : x
  2. Step 2: Convert to fraction form
    84,718.90/116,926.10 = 47,005.30/x
  3. Step 3: Cross multiply
    84,718.90x = 116,926.10 × 47,005.30
  4. Step 4: Simplify right side
    84,718.90x = 5,496,146,408.33
  5. Step 5: Solve for x
    x = 5,496,146,408.33/84,718.90
  6. Step 6: Final answer
    x = 64,875.09

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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.