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Finding the Fourth Proportional to 52,074.87, 71,862.95 and 28,200.99

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Solution

The fourth proportional to 52,074.87, 71,862.95 and 28,200.99 is: 38,917.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,074.87 : 71,862.95 = 28,200.99 : x
  2. Step 2: Convert to fraction form
    52,074.87/71,862.95 = 28,200.99/x
  3. Step 3: Cross multiply
    52,074.87x = 71,862.95 × 28,200.99
  4. Step 4: Simplify right side
    52,074.87x = 2,026,606,193.32
  5. Step 5: Solve for x
    x = 2,026,606,193.32/52,074.87
  6. Step 6: Final answer
    x = 38,917.16

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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.