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Finding the Fourth Proportional to 67,403.89, 93,017.88 and 37,190.32

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Solution

The fourth proportional to 67,403.89, 93,017.88 and 37,190.32 is: 51,322.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,403.89 : 93,017.88 = 37,190.32 : x
  2. Step 2: Convert to fraction form
    67,403.89/93,017.88 = 37,190.32/x
  3. Step 3: Cross multiply
    67,403.89x = 93,017.88 × 37,190.32
  4. Step 4: Simplify right side
    67,403.89x = 3,459,364,490.38
  5. Step 5: Solve for x
    x = 3,459,364,490.38/67,403.89
  6. Step 6: Final answer
    x = 51,322.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.