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Finding the Fourth Proportional to 32,423.64, 48,648.15 and 12,698.79

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Solution

The fourth proportional to 32,423.64, 48,648.15 and 12,698.79 is: 19,053.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,423.64 : 48,648.15 = 12,698.79 : x
  2. Step 2: Convert to fraction form
    32,423.64/48,648.15 = 12,698.79/x
  3. Step 3: Cross multiply
    32,423.64x = 48,648.15 × 12,698.79
  4. Step 4: Simplify right side
    32,423.64x = 617,772,640.74
  5. Step 5: Solve for x
    x = 617,772,640.74/32,423.64
  6. Step 6: Final answer
    x = 19,053.16

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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.