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Finding the Fourth Proportional to 12,584,602.14, 17,368,083.48 and 7,692,687.72

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Solution

The fourth proportional to 12,584,602.14, 17,368,083.48 and 7,692,687.72 is: 10,616,723.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,584,602.14 : 17,368,083.48 = 7,692,687.72 : x
  2. Step 2: Convert to fraction form
    12,584,602.14/17,368,083.48 = 7,692,687.72/x
  3. Step 3: Cross multiply
    12,584,602.14x = 17,368,083.48 × 7,692,687.72
  4. Step 4: Simplify right side
    12,584,602.14x = 133,607,242,506,530.86
  5. Step 5: Solve for x
    x = 133,607,242,506,530.86/12,584,602.14
  6. Step 6: Final answer
    x = 10,616,723.60

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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.