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Finding the Fourth Proportional to 34,681.04, 47,859.49 and 18,765.14

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Solution

The fourth proportional to 34,681.04, 47,859.49 and 18,765.14 is: 25,895.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,681.04 : 47,859.49 = 18,765.14 : x
  2. Step 2: Convert to fraction form
    34,681.04/47,859.49 = 18,765.14/x
  3. Step 3: Cross multiply
    34,681.04x = 47,859.49 × 18,765.14
  4. Step 4: Simplify right side
    34,681.04x = 898,090,030.18
  5. Step 5: Solve for x
    x = 898,090,030.18/34,681.04
  6. Step 6: Final answer
    x = 25,895.71

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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.