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Finding the Fourth Proportional to 59,849.40, 89,903.70 and 57,646.20

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Solution

The fourth proportional to 59,849.40, 89,903.70 and 57,646.20 is: 86,594.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,849.40 : 89,903.70 = 57,646.20 : x
  2. Step 2: Convert to fraction form
    59,849.40/89,903.70 = 57,646.20/x
  3. Step 3: Cross multiply
    59,849.40x = 89,903.70 × 57,646.20
  4. Step 4: Simplify right side
    59,849.40x = 5,182,606,670.94
  5. Step 5: Solve for x
    x = 5,182,606,670.94/59,849.40
  6. Step 6: Final answer
    x = 86,594.13

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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.