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Finding the Fourth Proportional to 1,573.66, 2,360.54 and 707.97

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Solution

The fourth proportional to 1,573.66, 2,360.54 and 707.97 is: 1,061.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573.66 : 2,360.54 = 707.97 : x
  2. Step 2: Convert to fraction form
    1,573.66/2,360.54 = 707.97/x
  3. Step 3: Cross multiply
    1,573.66x = 2,360.54 × 707.97
  4. Step 4: Simplify right side
    1,573.66x = 1,671,191.50
  5. Step 5: Solve for x
    x = 1,671,191.50/1,573.66
  6. Step 6: Final answer
    x = 1,061.98

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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.