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Finding the Fourth Proportional to 15,009.60, 22,510.80 and 4,619.04

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Solution

The fourth proportional to 15,009.60, 22,510.80 and 4,619.04 is: 6,927.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,009.60 : 22,510.80 = 4,619.04 : x
  2. Step 2: Convert to fraction form
    15,009.60/22,510.80 = 4,619.04/x
  3. Step 3: Cross multiply
    15,009.60x = 22,510.80 × 4,619.04
  4. Step 4: Simplify right side
    15,009.60x = 103,978,285.63
  5. Step 5: Solve for x
    x = 103,978,285.63/15,009.60
  6. Step 6: Final answer
    x = 6,927.45

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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.