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Finding the Fourth Proportional to 32,598.99, 48,888.90 and 13,878.81

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Solution

The fourth proportional to 32,598.99, 48,888.90 and 13,878.81 is: 20,814.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,598.99 : 48,888.90 = 13,878.81 : x
  2. Step 2: Convert to fraction form
    32,598.99/48,888.90 = 13,878.81/x
  3. Step 3: Cross multiply
    32,598.99x = 48,888.90 × 13,878.81
  4. Step 4: Simplify right side
    32,598.99x = 678,519,754.21
  5. Step 5: Solve for x
    x = 678,519,754.21/32,598.99
  6. Step 6: Final answer
    x = 20,814.13

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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.