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Finding the Fourth Proportional to 62,430.80, 93,646.20 and 61,847.60

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Solution

The fourth proportional to 62,430.80, 93,646.20 and 61,847.60 is: 92,771.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,430.80 : 93,646.20 = 61,847.60 : x
  2. Step 2: Convert to fraction form
    62,430.80/93,646.20 = 61,847.60/x
  3. Step 3: Cross multiply
    62,430.80x = 93,646.20 × 61,847.60
  4. Step 4: Simplify right side
    62,430.80x = 5,791,792,719.12
  5. Step 5: Solve for x
    x = 5,791,792,719.12/62,430.80
  6. Step 6: Final answer
    x = 92,771.40

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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.