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Finding the Fourth Proportional to 70,526.48, 97,330.95 and 38,695.46

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Solution

The fourth proportional to 70,526.48, 97,330.95 and 38,695.46 is: 53,402.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,526.48 : 97,330.95 = 38,695.46 : x
  2. Step 2: Convert to fraction form
    70,526.48/97,330.95 = 38,695.46/x
  3. Step 3: Cross multiply
    70,526.48x = 97,330.95 × 38,695.46
  4. Step 4: Simplify right side
    70,526.48x = 3,766,265,882.49
  5. Step 5: Solve for x
    x = 3,766,265,882.49/70,526.48
  6. Step 6: Final answer
    x = 53,402.15

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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.