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Finding the Fourth Proportional to 2,359.48, 3,539.90 and 973.92

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Solution

The fourth proportional to 2,359.48, 3,539.90 and 973.92 is: 1,461.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,359.48 : 3,539.90 = 973.92 : x
  2. Step 2: Convert to fraction form
    2,359.48/3,539.90 = 973.92/x
  3. Step 3: Cross multiply
    2,359.48x = 3,539.90 × 973.92
  4. Step 4: Simplify right side
    2,359.48x = 3,447,595.12
  5. Step 5: Solve for x
    x = 3,447,595.12/2,359.48
  6. Step 6: Final answer
    x = 1,461.17

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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.