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Finding the Fourth Proportional to 40,056.40, 60,127.80 and 22,560.40

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Solution

The fourth proportional to 40,056.40, 60,127.80 and 22,560.40 is: 33,864.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,056.40 : 60,127.80 = 22,560.40 : x
  2. Step 2: Convert to fraction form
    40,056.40/60,127.80 = 22,560.40/x
  3. Step 3: Cross multiply
    40,056.40x = 60,127.80 × 22,560.40
  4. Step 4: Simplify right side
    40,056.40x = 1,356,507,219.12
  5. Step 5: Solve for x
    x = 1,356,507,219.12/40,056.40
  6. Step 6: Final answer
    x = 33,864.93

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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.