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Finding the Fourth Proportional to 7,184.99, 9,915.18 and 4,041.16

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Solution

The fourth proportional to 7,184.99, 9,915.18 and 4,041.16 is: 5,576.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,184.99 : 9,915.18 = 4,041.16 : x
  2. Step 2: Convert to fraction form
    7,184.99/9,915.18 = 4,041.16/x
  3. Step 3: Cross multiply
    7,184.99x = 9,915.18 × 4,041.16
  4. Step 4: Simplify right side
    7,184.99x = 40,068,828.81
  5. Step 5: Solve for x
    x = 40,068,828.81/7,184.99
  6. Step 6: Final answer
    x = 5,576.74

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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.