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Finding the Fourth Proportional to 60,884.40, 91,326.60 and 51,261.60

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Solution

The fourth proportional to 60,884.40, 91,326.60 and 51,261.60 is: 76,892.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,884.40 : 91,326.60 = 51,261.60 : x
  2. Step 2: Convert to fraction form
    60,884.40/91,326.60 = 51,261.60/x
  3. Step 3: Cross multiply
    60,884.40x = 91,326.60 × 51,261.60
  4. Step 4: Simplify right side
    60,884.40x = 4,681,547,638.56
  5. Step 5: Solve for x
    x = 4,681,547,638.56/60,884.40
  6. Step 6: Final answer
    x = 76,892.40

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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.