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Finding the Fourth Proportional to 75,061.48, 112,492.86 and 39,925.48

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Solution

The fourth proportional to 75,061.48, 112,492.86 and 39,925.48 is: 59,835.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,061.48 : 112,492.86 = 39,925.48 : x
  2. Step 2: Convert to fraction form
    75,061.48/112,492.86 = 39,925.48/x
  3. Step 3: Cross multiply
    75,061.48x = 112,492.86 × 39,925.48
  4. Step 4: Simplify right side
    75,061.48x = 4,491,331,432.07
  5. Step 5: Solve for x
    x = 4,491,331,432.07/75,061.48
  6. Step 6: Final answer
    x = 59,835.37

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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.