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Finding the Fourth Proportional to 39,903.89, 59,503.81 and 37,941.74

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Solution

The fourth proportional to 39,903.89, 59,503.81 and 37,941.74 is: 56,577.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,903.89 : 59,503.81 = 37,941.74 : x
  2. Step 2: Convert to fraction form
    39,903.89/59,503.81 = 37,941.74/x
  3. Step 3: Cross multiply
    39,903.89x = 59,503.81 × 37,941.74
  4. Step 4: Simplify right side
    39,903.89x = 2,257,678,088.03
  5. Step 5: Solve for x
    x = 2,257,678,088.03/39,903.89
  6. Step 6: Final answer
    x = 56,577.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.