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Finding the Fourth Proportional to 6,929.68, 9,557.04 and 5,417.68

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Solution

The fourth proportional to 6,929.68, 9,557.04 and 5,417.68 is: 7,471.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,929.68 : 9,557.04 = 5,417.68 : x
  2. Step 2: Convert to fraction form
    6,929.68/9,557.04 = 5,417.68/x
  3. Step 3: Cross multiply
    6,929.68x = 9,557.04 × 5,417.68
  4. Step 4: Simplify right side
    6,929.68x = 51,776,984.47
  5. Step 5: Solve for x
    x = 51,776,984.47/6,929.68
  6. Step 6: Final answer
    x = 7,471.77

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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.