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Finding the Fourth Proportional to 42,602.23, 63,946.02 and 17,656.93

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Solution

The fourth proportional to 42,602.23, 63,946.02 and 17,656.93 is: 26,503.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,602.23 : 63,946.02 = 17,656.93 : x
  2. Step 2: Convert to fraction form
    42,602.23/63,946.02 = 17,656.93/x
  3. Step 3: Cross multiply
    42,602.23x = 63,946.02 × 17,656.93
  4. Step 4: Simplify right side
    42,602.23x = 1,129,090,398.92
  5. Step 5: Solve for x
    x = 1,129,090,398.92/42,602.23
  6. Step 6: Final answer
    x = 26,503.08

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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.