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Finding the Fourth Proportional to 7,010.61, 10,508.81 and 4,547.00

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Solution

The fourth proportional to 7,010.61, 10,508.81 and 4,547.00 is: 6,815.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,010.61 : 10,508.81 = 4,547.00 : x
  2. Step 2: Convert to fraction form
    7,010.61/10,508.81 = 4,547.00/x
  3. Step 3: Cross multiply
    7,010.61x = 10,508.81 × 4,547.00
  4. Step 4: Simplify right side
    7,010.61x = 47,783,483.79
  5. Step 5: Solve for x
    x = 47,783,483.79/7,010.61
  6. Step 6: Final answer
    x = 6,815.88

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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.