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Finding the Fourth Proportional to 7,062.12, 9,747.63 and 4,407.93

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Solution

The fourth proportional to 7,062.12, 9,747.63 and 4,407.93 is: 6,084.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,062.12 : 9,747.63 = 4,407.93 : x
  2. Step 2: Convert to fraction form
    7,062.12/9,747.63 = 4,407.93/x
  3. Step 3: Cross multiply
    7,062.12x = 9,747.63 × 4,407.93
  4. Step 4: Simplify right side
    7,062.12x = 42,966,870.71
  5. Step 5: Solve for x
    x = 42,966,870.71/7,062.12
  6. Step 6: Final answer
    x = 6,084.13

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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.