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Finding the Fourth Proportional to 7,895.40, 10,888.08 and 6,100.02

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Solution

The fourth proportional to 7,895.40, 10,888.08 and 6,100.02 is: 8,412.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,895.40 : 10,888.08 = 6,100.02 : x
  2. Step 2: Convert to fraction form
    7,895.40/10,888.08 = 6,100.02/x
  3. Step 3: Cross multiply
    7,895.40x = 10,888.08 × 6,100.02
  4. Step 4: Simplify right side
    7,895.40x = 66,417,505.76
  5. Step 5: Solve for x
    x = 66,417,505.76/7,895.40
  6. Step 6: Final answer
    x = 8,412.18

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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.