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Finding the Fourth Proportional to 71,348.15, 106,987.72 and 26,339.01

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Solution

The fourth proportional to 71,348.15, 106,987.72 and 26,339.01 is: 39,495.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,348.15 : 106,987.72 = 26,339.01 : x
  2. Step 2: Convert to fraction form
    71,348.15/106,987.72 = 26,339.01/x
  3. Step 3: Cross multiply
    71,348.15x = 106,987.72 × 26,339.01
  4. Step 4: Simplify right side
    71,348.15x = 2,817,950,549.53
  5. Step 5: Solve for x
    x = 2,817,950,549.53/71,348.15
  6. Step 6: Final answer
    x = 39,495.77

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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.