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Finding the Fourth Proportional to 15,088.53, 20,820.04 and 9,037.35

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Solution

The fourth proportional to 15,088.53, 20,820.04 and 9,037.35 is: 12,470.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,088.53 : 20,820.04 = 9,037.35 : x
  2. Step 2: Convert to fraction form
    15,088.53/20,820.04 = 9,037.35/x
  3. Step 3: Cross multiply
    15,088.53x = 20,820.04 × 9,037.35
  4. Step 4: Simplify right side
    15,088.53x = 188,157,988.49
  5. Step 5: Solve for x
    x = 188,157,988.49/15,088.53
  6. Step 6: Final answer
    x = 12,470.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.