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Finding the Fourth Proportional to 32,210.40, 48,291.60 and 16,639.20

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Solution

The fourth proportional to 32,210.40, 48,291.60 and 16,639.20 is: 24,946.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,210.40 : 48,291.60 = 16,639.20 : x
  2. Step 2: Convert to fraction form
    32,210.40/48,291.60 = 16,639.20/x
  3. Step 3: Cross multiply
    32,210.40x = 48,291.60 × 16,639.20
  4. Step 4: Simplify right side
    32,210.40x = 803,533,590.72
  5. Step 5: Solve for x
    x = 803,533,590.72/32,210.40
  6. Step 6: Final answer
    x = 24,946.40

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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.