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Finding the Fourth Proportional to 71,070.29, 106,582.75 and 28,950.29

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Solution

The fourth proportional to 71,070.29, 106,582.75 and 28,950.29 is: 43,416.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,070.29 : 106,582.75 = 28,950.29 : x
  2. Step 2: Convert to fraction form
    71,070.29/106,582.75 = 28,950.29/x
  3. Step 3: Cross multiply
    71,070.29x = 106,582.75 × 28,950.29
  4. Step 4: Simplify right side
    71,070.29x = 3,085,601,521.50
  5. Step 5: Solve for x
    x = 3,085,601,521.50/71,070.29
  6. Step 6: Final answer
    x = 43,416.19

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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.