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Finding the Fourth Proportional to 40,983, 61,480.68 and 14,681.49

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Solution

The fourth proportional to 40,983, 61,480.68 and 14,681.49 is: 22,024.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,983 : 61,480.68 = 14,681.49 : x
  2. Step 2: Convert to fraction form
    40,983/61,480.68 = 14,681.49/x
  3. Step 3: Cross multiply
    40,983x = 61,480.68 × 14,681.49
  4. Step 4: Simplify right side
    40,983x = 902,627,988.61
  5. Step 5: Solve for x
    x = 902,627,988.61/40,983
  6. Step 6: Final answer
    x = 22,024.45

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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.