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Finding the Fourth Proportional to 60,330.98, 90,006.60 and 57,065.06

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Solution

The fourth proportional to 60,330.98, 90,006.60 and 57,065.06 is: 85,134.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,330.98 : 90,006.60 = 57,065.06 : x
  2. Step 2: Convert to fraction form
    60,330.98/90,006.60 = 57,065.06/x
  3. Step 3: Cross multiply
    60,330.98x = 90,006.60 × 57,065.06
  4. Step 4: Simplify right side
    60,330.98x = 5,136,232,029.40
  5. Step 5: Solve for x
    x = 5,136,232,029.40/60,330.98
  6. Step 6: Final answer
    x = 85,134.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.