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Finding the Fourth Proportional to 34,571.99, 47,710.18 and 19,465.16

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Solution

The fourth proportional to 34,571.99, 47,710.18 and 19,465.16 is: 26,862.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,571.99 : 47,710.18 = 19,465.16 : x
  2. Step 2: Convert to fraction form
    34,571.99/47,710.18 = 19,465.16/x
  3. Step 3: Cross multiply
    34,571.99x = 47,710.18 × 19,465.16
  4. Step 4: Simplify right side
    34,571.99x = 928,686,073.11
  5. Step 5: Solve for x
    x = 928,686,073.11/34,571.99
  6. Step 6: Final answer
    x = 26,862.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.