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Finding the Fourth Proportional to 7,294.51, 10,060.80 and 4,907.02

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Solution

The fourth proportional to 7,294.51, 10,060.80 and 4,907.02 is: 6,767.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,294.51 : 10,060.80 = 4,907.02 : x
  2. Step 2: Convert to fraction form
    7,294.51/10,060.80 = 4,907.02/x
  3. Step 3: Cross multiply
    7,294.51x = 10,060.80 × 4,907.02
  4. Step 4: Simplify right side
    7,294.51x = 49,368,546.82
  5. Step 5: Solve for x
    x = 49,368,546.82/7,294.51
  6. Step 6: Final answer
    x = 6,767.90

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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.