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Finding the Fourth Proportional to 7,053.47, 9,733.40 and 3,866.76

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Solution

The fourth proportional to 7,053.47, 9,733.40 and 3,866.76 is: 5,335.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,053.47 : 9,733.40 = 3,866.76 : x
  2. Step 2: Convert to fraction form
    7,053.47/9,733.40 = 3,866.76/x
  3. Step 3: Cross multiply
    7,053.47x = 9,733.40 × 3,866.76
  4. Step 4: Simplify right side
    7,053.47x = 37,636,702.45
  5. Step 5: Solve for x
    x = 37,636,702.45/7,053.47
  6. Step 6: Final answer
    x = 5,335.92

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Half scale
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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.