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Finding the Fourth Proportional to 60,476.70, 90,715.05 and 34,232.70

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Solution

The fourth proportional to 60,476.70, 90,715.05 and 34,232.70 is: 51,349.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,476.70 : 90,715.05 = 34,232.70 : x
  2. Step 2: Convert to fraction form
    60,476.70/90,715.05 = 34,232.70/x
  3. Step 3: Cross multiply
    60,476.70x = 90,715.05 × 34,232.70
  4. Step 4: Simplify right side
    60,476.70x = 3,105,421,092.14
  5. Step 5: Solve for x
    x = 3,105,421,092.14/60,476.70
  6. Step 6: Final answer
    x = 51,349.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.