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Finding the Fourth Proportional to 58,880.41, 81,088.96 and 58,695.86

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Solution

The fourth proportional to 58,880.41, 81,088.96 and 58,695.86 is: 80,834.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,880.41 : 81,088.96 = 58,695.86 : x
  2. Step 2: Convert to fraction form
    58,880.41/81,088.96 = 58,695.86/x
  3. Step 3: Cross multiply
    58,880.41x = 81,088.96 × 58,695.86
  4. Step 4: Simplify right side
    58,880.41x = 4,759,586,243.71
  5. Step 5: Solve for x
    x = 4,759,586,243.71/58,880.41
  6. Step 6: Final answer
    x = 80,834.80

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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.