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Finding the Fourth Proportional to 6,903.61, 10,358.48 and 3,615.93

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Solution

The fourth proportional to 6,903.61, 10,358.48 and 3,615.93 is: 5,425.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,903.61 : 10,358.48 = 3,615.93 : x
  2. Step 2: Convert to fraction form
    6,903.61/10,358.48 = 3,615.93/x
  3. Step 3: Cross multiply
    6,903.61x = 10,358.48 × 3,615.93
  4. Step 4: Simplify right side
    6,903.61x = 37,455,547.63
  5. Step 5: Solve for x
    x = 37,455,547.63/6,903.61
  6. Step 6: Final answer
    x = 5,425.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.