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Finding the Fourth Proportional to 60,261.60, 90,435.60 and 33,938.40

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Solution

The fourth proportional to 60,261.60, 90,435.60 and 33,938.40 is: 50,931.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,261.60 : 90,435.60 = 33,938.40 : x
  2. Step 2: Convert to fraction form
    60,261.60/90,435.60 = 33,938.40/x
  3. Step 3: Cross multiply
    60,261.60x = 90,435.60 × 33,938.40
  4. Step 4: Simplify right side
    60,261.60x = 3,069,239,567.04
  5. Step 5: Solve for x
    x = 3,069,239,567.04/60,261.60
  6. Step 6: Final answer
    x = 50,931.93

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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.