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Finding the Fourth Proportional to 52,715.01, 79,060.08 and 19,416.99

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Solution

The fourth proportional to 52,715.01, 79,060.08 and 19,416.99 is: 29,120.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,715.01 : 79,060.08 = 19,416.99 : x
  2. Step 2: Convert to fraction form
    52,715.01/79,060.08 = 19,416.99/x
  3. Step 3: Cross multiply
    52,715.01x = 79,060.08 × 19,416.99
  4. Step 4: Simplify right side
    52,715.01x = 1,535,108,782.76
  5. Step 5: Solve for x
    x = 1,535,108,782.76/52,715.01
  6. Step 6: Final answer
    x = 29,120.90

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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.