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Finding the Fourth Proportional to 10,802.79, 14,903.20 and 6,552.22

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Solution

The fourth proportional to 10,802.79, 14,903.20 and 6,552.22 is: 9,039.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,802.79 : 14,903.20 = 6,552.22 : x
  2. Step 2: Convert to fraction form
    10,802.79/14,903.20 = 6,552.22/x
  3. Step 3: Cross multiply
    10,802.79x = 14,903.20 × 6,552.22
  4. Step 4: Simplify right side
    10,802.79x = 97,649,045.10
  5. Step 5: Solve for x
    x = 97,649,045.10/10,802.79
  6. Step 6: Final answer
    x = 9,039.25

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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.