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Finding the Fourth Proportional to 1,565.94, 2,348.88 and 525.95

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Solution

The fourth proportional to 1,565.94, 2,348.88 and 525.95 is: 788.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565.94 : 2,348.88 = 525.95 : x
  2. Step 2: Convert to fraction form
    1,565.94/2,348.88 = 525.95/x
  3. Step 3: Cross multiply
    1,565.94x = 2,348.88 × 525.95
  4. Step 4: Simplify right side
    1,565.94x = 1,235,381.69
  5. Step 5: Solve for x
    x = 1,235,381.69/1,565.94
  6. Step 6: Final answer
    x = 788.91

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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.