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Finding the Fourth Proportional to 44,358, 66,537.72 and 12,768.48

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Solution

The fourth proportional to 44,358, 66,537.72 and 12,768.48 is: 19,152.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,358 : 66,537.72 = 12,768.48 : x
  2. Step 2: Convert to fraction form
    44,358/66,537.72 = 12,768.48/x
  3. Step 3: Cross multiply
    44,358x = 66,537.72 × 12,768.48
  4. Step 4: Simplify right side
    44,358x = 849,585,547.07
  5. Step 5: Solve for x
    x = 849,585,547.07/44,358
  6. Step 6: Final answer
    x = 19,152.93

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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.