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Finding the Fourth Proportional to 29,869.60, 44,820.60 and 12,341.20

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Solution

The fourth proportional to 29,869.60, 44,820.60 and 12,341.20 is: 18,518.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,869.60 : 44,820.60 = 12,341.20 : x
  2. Step 2: Convert to fraction form
    29,869.60/44,820.60 = 12,341.20/x
  3. Step 3: Cross multiply
    29,869.60x = 44,820.60 × 12,341.20
  4. Step 4: Simplify right side
    29,869.60x = 553,139,988.72
  5. Step 5: Solve for x
    x = 553,139,988.72/29,869.60
  6. Step 6: Final answer
    x = 18,518.49

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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.