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Finding the Fourth Proportional to 60,718.58, 91,083.95 and 18,598.18

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Solution

The fourth proportional to 60,718.58, 91,083.95 and 18,598.18 is: 27,899.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,718.58 : 91,083.95 = 18,598.18 : x
  2. Step 2: Convert to fraction form
    60,718.58/91,083.95 = 18,598.18/x
  3. Step 3: Cross multiply
    60,718.58x = 91,083.95 × 18,598.18
  4. Step 4: Simplify right side
    60,718.58x = 1,693,995,148.80
  5. Step 5: Solve for x
    x = 1,693,995,148.80/60,718.58
  6. Step 6: Final answer
    x = 27,899.12

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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.