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Finding the Fourth Proportional to 1,762.66, 2,644.14 and 530.35

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Solution

The fourth proportional to 1,762.66, 2,644.14 and 530.35 is: 795.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,762.66 : 2,644.14 = 530.35 : x
  2. Step 2: Convert to fraction form
    1,762.66/2,644.14 = 530.35/x
  3. Step 3: Cross multiply
    1,762.66x = 2,644.14 × 530.35
  4. Step 4: Simplify right side
    1,762.66x = 1,402,315.03
  5. Step 5: Solve for x
    x = 1,402,315.03/1,762.66
  6. Step 6: Final answer
    x = 795.57

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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.