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Finding the Fourth Proportional to 60,698.53, 83,777.39 and 39,440.89

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Solution

The fourth proportional to 60,698.53, 83,777.39 and 39,440.89 is: 54,437.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,698.53 : 83,777.39 = 39,440.89 : x
  2. Step 2: Convert to fraction form
    60,698.53/83,777.39 = 39,440.89/x
  3. Step 3: Cross multiply
    60,698.53x = 83,777.39 × 39,440.89
  4. Step 4: Simplify right side
    60,698.53x = 3,304,254,823.48
  5. Step 5: Solve for x
    x = 3,304,254,823.48/60,698.53
  6. Step 6: Final answer
    x = 54,437.15

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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.