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Finding the Fourth Proportional to 66,743.08, 92,010.50 and 45,495.08

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Solution

The fourth proportional to 66,743.08, 92,010.50 and 45,495.08 is: 62,718.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,743.08 : 92,010.50 = 45,495.08 : x
  2. Step 2: Convert to fraction form
    66,743.08/92,010.50 = 45,495.08/x
  3. Step 3: Cross multiply
    66,743.08x = 92,010.50 × 45,495.08
  4. Step 4: Simplify right side
    66,743.08x = 4,186,025,058.34
  5. Step 5: Solve for x
    x = 4,186,025,058.34/66,743.08
  6. Step 6: Final answer
    x = 62,718.49

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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.