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Finding the Fourth Proportional to 9,892.16, 14,838.24 and 4,047.40

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Solution

The fourth proportional to 9,892.16, 14,838.24 and 4,047.40 is: 6,071.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,892.16 : 14,838.24 = 4,047.40 : x
  2. Step 2: Convert to fraction form
    9,892.16/14,838.24 = 4,047.40/x
  3. Step 3: Cross multiply
    9,892.16x = 14,838.24 × 4,047.40
  4. Step 4: Simplify right side
    9,892.16x = 60,056,292.58
  5. Step 5: Solve for x
    x = 60,056,292.58/9,892.16
  6. Step 6: Final answer
    x = 6,071.10

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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.