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Finding the Fourth Proportional to 70,897.94, 97,841.21 and 39,068.89

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Solution

The fourth proportional to 70,897.94, 97,841.21 and 39,068.89 is: 53,916.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,897.94 : 97,841.21 = 39,068.89 : x
  2. Step 2: Convert to fraction form
    70,897.94/97,841.21 = 39,068.89/x
  3. Step 3: Cross multiply
    70,897.94x = 97,841.21 × 39,068.89
  4. Step 4: Simplify right side
    70,897.94x = 3,822,547,470.96
  5. Step 5: Solve for x
    x = 3,822,547,470.96/70,897.94
  6. Step 6: Final answer
    x = 53,916.20

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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.