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Finding the Fourth Proportional to 60,572.94, 90,878.03 and 31,011.53

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Solution

The fourth proportional to 60,572.94, 90,878.03 and 31,011.53 is: 46,526.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,572.94 : 90,878.03 = 31,011.53 : x
  2. Step 2: Convert to fraction form
    60,572.94/90,878.03 = 31,011.53/x
  3. Step 3: Cross multiply
    60,572.94x = 90,878.03 × 31,011.53
  4. Step 4: Simplify right side
    60,572.94x = 2,818,266,144.24
  5. Step 5: Solve for x
    x = 2,818,266,144.24/60,572.94
  6. Step 6: Final answer
    x = 46,526.82

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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.