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Finding the Fourth Proportional to 40,312.61, 60,468.80 and 10,730.47

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Solution

The fourth proportional to 40,312.61, 60,468.80 and 10,730.47 is: 16,095.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,312.61 : 60,468.80 = 10,730.47 : x
  2. Step 2: Convert to fraction form
    40,312.61/60,468.80 = 10,730.47/x
  3. Step 3: Cross multiply
    40,312.61x = 60,468.80 × 10,730.47
  4. Step 4: Simplify right side
    40,312.61x = 648,858,590.68
  5. Step 5: Solve for x
    x = 648,858,590.68/40,312.61
  6. Step 6: Final answer
    x = 16,095.68

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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.