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Finding the Fourth Proportional to 60,476.40, 83,401.60 and 37,808.16

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Solution

The fourth proportional to 60,476.40, 83,401.60 and 37,808.16 is: 52,140.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,476.40 : 83,401.60 = 37,808.16 : x
  2. Step 2: Convert to fraction form
    60,476.40/83,401.60 = 37,808.16/x
  3. Step 3: Cross multiply
    60,476.40x = 83,401.60 × 37,808.16
  4. Step 4: Simplify right side
    60,476.40x = 3,153,261,037.06
  5. Step 5: Solve for x
    x = 3,153,261,037.06/60,476.40
  6. Step 6: Final answer
    x = 52,140.36

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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.