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Finding the Fourth Proportional to 39,482.58, 59,219.51 and 9,900.42

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Solution

The fourth proportional to 39,482.58, 59,219.51 and 9,900.42 is: 14,849.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,482.58 : 59,219.51 = 9,900.42 : x
  2. Step 2: Convert to fraction form
    39,482.58/59,219.51 = 9,900.42/x
  3. Step 3: Cross multiply
    39,482.58x = 59,219.51 × 9,900.42
  4. Step 4: Simplify right side
    39,482.58x = 586,298,021.19
  5. Step 5: Solve for x
    x = 586,298,021.19/39,482.58
  6. Step 6: Final answer
    x = 14,849.54

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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.