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Finding the Fourth Proportional to 40,368.25, 60,562.10 and 12,666.25

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Solution

The fourth proportional to 40,368.25, 60,562.10 and 12,666.25 is: 19,002.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,368.25 : 60,562.10 = 12,666.25 : x
  2. Step 2: Convert to fraction form
    40,368.25/60,562.10 = 12,666.25/x
  3. Step 3: Cross multiply
    40,368.25x = 60,562.10 × 12,666.25
  4. Step 4: Simplify right side
    40,368.25x = 767,094,699.13
  5. Step 5: Solve for x
    x = 767,094,699.13/40,368.25
  6. Step 6: Final answer
    x = 19,002.43

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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.