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Finding the Fourth Proportional to 34,417.80, 47,497.10 and 19,313.80

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Solution

The fourth proportional to 34,417.80, 47,497.10 and 19,313.80 is: 26,653.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,417.80 : 47,497.10 = 19,313.80 : x
  2. Step 2: Convert to fraction form
    34,417.80/47,497.10 = 19,313.80/x
  3. Step 3: Cross multiply
    34,417.80x = 47,497.10 × 19,313.80
  4. Step 4: Simplify right side
    34,417.80x = 917,349,489.98
  5. Step 5: Solve for x
    x = 917,349,489.98/34,417.80
  6. Step 6: Final answer
    x = 26,653.34

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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.