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Finding the Fourth Proportional to 32,407.79, 48,607.58 and 12,700.18

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Solution

The fourth proportional to 32,407.79, 48,607.58 and 12,700.18 is: 19,048.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,407.79 : 48,607.58 = 12,700.18 : x
  2. Step 2: Convert to fraction form
    32,407.79/48,607.58 = 12,700.18/x
  3. Step 3: Cross multiply
    32,407.79x = 48,607.58 × 12,700.18
  4. Step 4: Simplify right side
    32,407.79x = 617,325,121.01
  5. Step 5: Solve for x
    x = 617,325,121.01/32,407.79
  6. Step 6: Final answer
    x = 19,048.67

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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.