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Finding the Fourth Proportional to 60,720.84, 83,804.93 and 36,863.40

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Solution

The fourth proportional to 60,720.84, 83,804.93 and 36,863.40 is: 50,877.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,720.84 : 83,804.93 = 36,863.40 : x
  2. Step 2: Convert to fraction form
    60,720.84/83,804.93 = 36,863.40/x
  3. Step 3: Cross multiply
    60,720.84x = 83,804.93 × 36,863.40
  4. Step 4: Simplify right side
    60,720.84x = 3,089,334,924.75
  5. Step 5: Solve for x
    x = 3,089,334,924.75/60,720.84
  6. Step 6: Final answer
    x = 50,877.67

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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.