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Finding the Fourth Proportional to 1,573.37, 2,360.51 and 751.66

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Solution

The fourth proportional to 1,573.37, 2,360.51 and 751.66 is: 1,127.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573.37 : 2,360.51 = 751.66 : x
  2. Step 2: Convert to fraction form
    1,573.37/2,360.51 = 751.66/x
  3. Step 3: Cross multiply
    1,573.37x = 2,360.51 × 751.66
  4. Step 4: Simplify right side
    1,573.37x = 1,774,294.11
  5. Step 5: Solve for x
    x = 1,774,294.11/1,573.37
  6. Step 6: Final answer
    x = 1,127.70

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1.5x scale

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.