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Finding the Fourth Proportional to 35,866.60, 53,799.90 and 19,277.80

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Solution

The fourth proportional to 35,866.60, 53,799.90 and 19,277.80 is: 28,916.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,866.60 : 53,799.90 = 19,277.80 : x
  2. Step 2: Convert to fraction form
    35,866.60/53,799.90 = 19,277.80/x
  3. Step 3: Cross multiply
    35,866.60x = 53,799.90 × 19,277.80
  4. Step 4: Simplify right side
    35,866.60x = 1,037,143,712.22
  5. Step 5: Solve for x
    x = 1,037,143,712.22/35,866.60
  6. Step 6: Final answer
    x = 28,916.70

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Similar ratio
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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.