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Finding the Fourth Proportional to 70,597.08, 97,424.80 and 38,332.08

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Solution

The fourth proportional to 70,597.08, 97,424.80 and 38,332.08 is: 52,898.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,597.08 : 97,424.80 = 38,332.08 : x
  2. Step 2: Convert to fraction form
    70,597.08/97,424.80 = 38,332.08/x
  3. Step 3: Cross multiply
    70,597.08x = 97,424.80 × 38,332.08
  4. Step 4: Simplify right side
    70,597.08x = 3,734,495,131.75
  5. Step 5: Solve for x
    x = 3,734,495,131.75/70,597.08
  6. Step 6: Final answer
    x = 52,898.72

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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.