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Finding the Fourth Proportional to 1,572.60, 2,357.93 and 532.50

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Solution

The fourth proportional to 1,572.60, 2,357.93 and 532.50 is: 798.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572.60 : 2,357.93 = 532.50 : x
  2. Step 2: Convert to fraction form
    1,572.60/2,357.93 = 532.50/x
  3. Step 3: Cross multiply
    1,572.60x = 2,357.93 × 532.50
  4. Step 4: Simplify right side
    1,572.60x = 1,255,599.06
  5. Step 5: Solve for x
    x = 1,255,599.06/1,572.60
  6. Step 6: Final answer
    x = 798.42

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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.