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Finding the Fourth Proportional to 35,574.68, 53,394.42 and 18,948.62

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Solution

The fourth proportional to 35,574.68, 53,394.42 and 18,948.62 is: 28,440.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,574.68 : 53,394.42 = 18,948.62 : x
  2. Step 2: Convert to fraction form
    35,574.68/53,394.42 = 18,948.62/x
  3. Step 3: Cross multiply
    35,574.68x = 53,394.42 × 18,948.62
  4. Step 4: Simplify right side
    35,574.68x = 1,011,750,574.70
  5. Step 5: Solve for x
    x = 1,011,750,574.70/35,574.68
  6. Step 6: Final answer
    x = 28,440.19

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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.