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Finding the Fourth Proportional to 31,069.17, 46,603.76 and 7,695.63

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Solution

The fourth proportional to 31,069.17, 46,603.76 and 7,695.63 is: 11,543.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,069.17 : 46,603.76 = 7,695.63 : x
  2. Step 2: Convert to fraction form
    31,069.17/46,603.76 = 7,695.63/x
  3. Step 3: Cross multiply
    31,069.17x = 46,603.76 × 7,695.63
  4. Step 4: Simplify right side
    31,069.17x = 358,645,255.09
  5. Step 5: Solve for x
    x = 358,645,255.09/31,069.17
  6. Step 6: Final answer
    x = 11,543.45

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Double scale
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Similar ratio
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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.