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Finding the Fourth Proportional to 35,948.53, 53,946.78 and 12,574.96

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Solution

The fourth proportional to 35,948.53, 53,946.78 and 12,574.96 is: 18,870.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,948.53 : 53,946.78 = 12,574.96 : x
  2. Step 2: Convert to fraction form
    35,948.53/53,946.78 = 12,574.96/x
  3. Step 3: Cross multiply
    35,948.53x = 53,946.78 × 12,574.96
  4. Step 4: Simplify right side
    35,948.53x = 678,378,600.63
  5. Step 5: Solve for x
    x = 678,378,600.63/35,948.53
  6. Step 6: Final answer
    x = 18,870.83

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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.