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Finding the Fourth Proportional to 70,688.74, 97,478.14 and 46,806.70

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Solution

The fourth proportional to 70,688.74, 97,478.14 and 46,806.70 is: 64,545.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,688.74 : 97,478.14 = 46,806.70 : x
  2. Step 2: Convert to fraction form
    70,688.74/97,478.14 = 46,806.70/x
  3. Step 3: Cross multiply
    70,688.74x = 97,478.14 × 46,806.70
  4. Step 4: Simplify right side
    70,688.74x = 4,562,629,334.11
  5. Step 5: Solve for x
    x = 4,562,629,334.11/70,688.74
  6. Step 6: Final answer
    x = 64,545.35

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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.