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Finding the Fourth Proportional to 15,357.60, 23,030.64 and 6,588

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Solution

The fourth proportional to 15,357.60, 23,030.64 and 6,588 is: 9,879.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,357.60 : 23,030.64 = 6,588 : x
  2. Step 2: Convert to fraction form
    15,357.60/23,030.64 = 6,588/x
  3. Step 3: Cross multiply
    15,357.60x = 23,030.64 × 6,588
  4. Step 4: Simplify right side
    15,357.60x = 151,725,856.32
  5. Step 5: Solve for x
    x = 151,725,856.32/15,357.60
  6. Step 6: Final answer
    x = 9,879.53

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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.