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Finding the Fourth Proportional to 60,804.60, 91,206.90 and 16,430.10

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Solution

The fourth proportional to 60,804.60, 91,206.90 and 16,430.10 is: 24,645.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,804.60 : 91,206.90 = 16,430.10 : x
  2. Step 2: Convert to fraction form
    60,804.60/91,206.90 = 16,430.10/x
  3. Step 3: Cross multiply
    60,804.60x = 91,206.90 × 16,430.10
  4. Step 4: Simplify right side
    60,804.60x = 1,498,538,487.69
  5. Step 5: Solve for x
    x = 1,498,538,487.69/60,804.60
  6. Step 6: Final answer
    x = 24,645.15

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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.