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Finding the Fourth Proportional to 32,130.86, 48,203.35 and 9,640.62

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Solution

The fourth proportional to 32,130.86, 48,203.35 and 9,640.62 is: 14,463.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,130.86 : 48,203.35 = 9,640.62 : x
  2. Step 2: Convert to fraction form
    32,130.86/48,203.35 = 9,640.62/x
  3. Step 3: Cross multiply
    32,130.86x = 48,203.35 × 9,640.62
  4. Step 4: Simplify right side
    32,130.86x = 464,710,155.98
  5. Step 5: Solve for x
    x = 464,710,155.98/32,130.86
  6. Step 6: Final answer
    x = 14,463.05

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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.