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Finding the Fourth Proportional to 60,407.53, 83,328.81 and 56,131.10

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Solution

The fourth proportional to 60,407.53, 83,328.81 and 56,131.10 is: 77,429.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,407.53 : 83,328.81 = 56,131.10 : x
  2. Step 2: Convert to fraction form
    60,407.53/83,328.81 = 56,131.10/x
  3. Step 3: Cross multiply
    60,407.53x = 83,328.81 × 56,131.10
  4. Step 4: Simplify right side
    60,407.53x = 4,677,337,766.99
  5. Step 5: Solve for x
    x = 4,677,337,766.99/60,407.53
  6. Step 6: Final answer
    x = 77,429.71

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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.