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Finding the Fourth Proportional to 9,030.38, 12,462.08 and 5,051.06

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Solution

The fourth proportional to 9,030.38, 12,462.08 and 5,051.06 is: 6,970.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,030.38 : 12,462.08 = 5,051.06 : x
  2. Step 2: Convert to fraction form
    9,030.38/12,462.08 = 5,051.06/x
  3. Step 3: Cross multiply
    9,030.38x = 12,462.08 × 5,051.06
  4. Step 4: Simplify right side
    9,030.38x = 62,946,713.80
  5. Step 5: Solve for x
    x = 62,946,713.80/9,030.38
  6. Step 6: Final answer
    x = 6,970.55

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Double scale
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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.