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Finding the Fourth Proportional to 60,312.71, 90,326.06 and 47,792.48

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Solution

The fourth proportional to 60,312.71, 90,326.06 and 47,792.48 is: 71,575.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,312.71 : 90,326.06 = 47,792.48 : x
  2. Step 2: Convert to fraction form
    60,312.71/90,326.06 = 47,792.48/x
  3. Step 3: Cross multiply
    60,312.71x = 90,326.06 × 47,792.48
  4. Step 4: Simplify right side
    60,312.71x = 4,316,906,547.16
  5. Step 5: Solve for x
    x = 4,316,906,547.16/60,312.71
  6. Step 6: Final answer
    x = 71,575.40

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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.