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Finding the Fourth Proportional to 1,925.84, 2,657.64 and 1,041.63

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Solution

The fourth proportional to 1,925.84, 2,657.64 and 1,041.63 is: 1,437.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,925.84 : 2,657.64 = 1,041.63 : x
  2. Step 2: Convert to fraction form
    1,925.84/2,657.64 = 1,041.63/x
  3. Step 3: Cross multiply
    1,925.84x = 2,657.64 × 1,041.63
  4. Step 4: Simplify right side
    1,925.84x = 2,768,271.49
  5. Step 5: Solve for x
    x = 2,768,271.49/1,925.84
  6. Step 6: Final answer
    x = 1,437.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.