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Finding the Fourth Proportional to 6,602.48, 9,109.80 and 4,718.96

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Solution

The fourth proportional to 6,602.48, 9,109.80 and 4,718.96 is: 6,511.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,602.48 : 9,109.80 = 4,718.96 : x
  2. Step 2: Convert to fraction form
    6,602.48/9,109.80 = 4,718.96/x
  3. Step 3: Cross multiply
    6,602.48x = 9,109.80 × 4,718.96
  4. Step 4: Simplify right side
    6,602.48x = 42,988,781.81
  5. Step 5: Solve for x
    x = 42,988,781.81/6,602.48
  6. Step 6: Final answer
    x = 6,511.01

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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.