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Finding the Fourth Proportional to 15,320.48, 22,980.12 and 4,376.48

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Solution

The fourth proportional to 15,320.48, 22,980.12 and 4,376.48 is: 6,564.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,320.48 : 22,980.12 = 4,376.48 : x
  2. Step 2: Convert to fraction form
    15,320.48/22,980.12 = 4,376.48/x
  3. Step 3: Cross multiply
    15,320.48x = 22,980.12 × 4,376.48
  4. Step 4: Simplify right side
    15,320.48x = 100,572,035.58
  5. Step 5: Solve for x
    x = 100,572,035.58/15,320.48
  6. Step 6: Final answer
    x = 6,564.55

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1.5x scale

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.