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Finding the Fourth Proportional to 1,573.02, 2,359.52 and 706.32

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Solution

The fourth proportional to 1,573.02, 2,359.52 and 706.32 is: 1,059.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573.02 : 2,359.52 = 706.32 : x
  2. Step 2: Convert to fraction form
    1,573.02/2,359.52 = 706.32/x
  3. Step 3: Cross multiply
    1,573.02x = 2,359.52 × 706.32
  4. Step 4: Simplify right side
    1,573.02x = 1,666,564.37
  5. Step 5: Solve for x
    x = 1,666,564.37/1,573.02
  6. Step 6: Final answer
    x = 1,059.47

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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.