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Finding the Fourth Proportional to 27,503.81, 37,916.47 and 19,543.13

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Solution

The fourth proportional to 27,503.81, 37,916.47 and 19,543.13 is: 26,941.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,503.81 : 37,916.47 = 19,543.13 : x
  2. Step 2: Convert to fraction form
    27,503.81/37,916.47 = 19,543.13/x
  3. Step 3: Cross multiply
    27,503.81x = 37,916.47 × 19,543.13
  4. Step 4: Simplify right side
    27,503.81x = 741,006,502.35
  5. Step 5: Solve for x
    x = 741,006,502.35/27,503.81
  6. Step 6: Final answer
    x = 26,941.96

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Double scale
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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.