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Finding the Fourth Proportional to 60,477.76, 83,430.24 and 39,263.68

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Solution

The fourth proportional to 60,477.76, 83,430.24 and 39,263.68 is: 54,165.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,477.76 : 83,430.24 = 39,263.68 : x
  2. Step 2: Convert to fraction form
    60,477.76/83,430.24 = 39,263.68/x
  3. Step 3: Cross multiply
    60,477.76x = 83,430.24 × 39,263.68
  4. Step 4: Simplify right side
    60,477.76x = 3,275,778,245.68
  5. Step 5: Solve for x
    x = 3,275,778,245.68/60,477.76
  6. Step 6: Final answer
    x = 54,165.01

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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.