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Finding the Fourth Proportional to 70,307.88, 97,024.98 and 38,477.04

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Solution

The fourth proportional to 70,307.88, 97,024.98 and 38,477.04 is: 53,098.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,307.88 : 97,024.98 = 38,477.04 : x
  2. Step 2: Convert to fraction form
    70,307.88/97,024.98 = 38,477.04/x
  3. Step 3: Cross multiply
    70,307.88x = 97,024.98 × 38,477.04
  4. Step 4: Simplify right side
    70,307.88x = 3,733,234,036.46
  5. Step 5: Solve for x
    x = 3,733,234,036.46/70,307.88
  6. Step 6: Final answer
    x = 53,098.37

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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.